A two-year-old boy who was freed along with dozens of residents taken hostage for a week by the Muslim rebels of Moro National Liberation Front (MNLF) is reunited with his parents, at a police camp in Zamboanga city in southern Philippines September 17, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A police patrol boat escorts villagers on a boat after they were evacuated from their homes due to fighting between government soldiers and Muslim rebels of the Moro National Liberation Front (MNLF), in the coast off Zamboanga city in southern Philippines September 17, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Government soldiers assist a student after he was released from his one-week captivity by the Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city, in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A woman weeps outside a police camp after failing to see her children amongst the hostages released by the Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. The fighting, in which nearly 100 people have been killed, has highlighted lingering grievances in the Catholic-majority country despite its growing economy and an agreement with the biggest Muslim rebel group that was meant to bring peace. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Government soldiers help former hostages of the Muslim rebels of Moro National Liberation Front (MNLF) after they were released from their one-week captivity in Zamboanga city, in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. The fighting, in which nearly 100 people have been killed, has highlighted lingering grievances in the Catholic-majority country despite its growing economy and an agreement with the biggest Muslim rebel group that was meant to bring peace. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A woman weeps outside a police camp after failing to see her relatives amongst the hostages released by the Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. The fighting, in which nearly 100 people have been killed, has highlighted lingering grievances in the Catholic-majority country despite its growing economy and an agreement with the biggest Muslim rebel group that was meant to bring peace. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Residents taken as hostages and used as human shields by Muslim rebels of the Moro National Liberation Front (MNLF) during fighting with government soldiers are escorted by soldiers after being released in Zamboanga city, in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. The fighting, in which nearly 100 people have been killed, has highlighted lingering grievances in the Catholic-majority country despite its growing economy and an agreement with the biggest Muslim rebel group that was meant to bring peace. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST POLITICS MILITARY) 

Residents taken as hostages and used as human shields by Muslim rebels of the Moro National Liberation Front (MNLF) during fighting with government soldiers are escorted by a soldier and a social worker (2nd L) after being released in Zamboanga city, in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. The fighting, in which nearly 100 people have been killed, has highlighted lingering grievances in the Catholic-majority country despite its growing economy and an agreement with the biggest Muslim rebel group that was meant to bring peace. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST POLITICS MILITARY) 

Government soldiers assist former hostages of the Muslim rebels of Moro National Liberation Front (MNLF) after they were released from their one-week captivity in Zamboanga city, in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

Residents sit in a military truck after they were released from their one-week captivity by the Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city, in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

Government soldiers assist a student after he was released from his one-week captivity by the Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city, in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A two-year-old boy, who was among those taken hostage for a week by the Muslim rebels of Moro National Liberation Front (MNLF), embraces his father after he was reunited with his parents at a police camp, in Zamboanga city, in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A two-year-old boy, who was among those taken hostage for a week by the Muslim rebels of Moro National Liberation Front (MNLF), embraces his father after he was reunited with his parents at a police camp, in Zamboanga city, in southern Philippines September 17, 2013. Philippine forces freed scores of civilian hostages on Tuesday as fighting subsided in a port city where hundreds of rogue Muslim guerrillas have been battling for more than a week. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Volunteers (background) load relief goods and food rations (foreground) packed in old recycled sacks depicting the Thai flag, on a cart in a warehouse in Pasay city, metro Manila September 17, 2013, which are to be transferred to a Philippine Navy ship bound for conflict-torn Zamboanga city in southern Philippines. About 70,000 residents have been displaced as government troops battle rogue Muslim rebels who attacked and held civilian hostages in Zamboanga city, southern Philippines. REUTERS/Romeo Ranoco (PHILIPPINES - Tags: POLITICS MILITARY CIVIL UNREST) 

A volunteer pushes a cart of food rations in a warehouse in Pasay city, metro Manila September 17, 2013, which are to be transferred to a Philippine Navy ship bound for conflict-torn Zamboanga city in southern Philippines. About 70,000 residents have been displaced as government troops battle rogue Muslim rebels who attacked and held civilian hostages in Zamboanga city, southern Philippines. REUTERS/Romeo Ranoco (PHILIPPINES - Tags: POLITICS MILITARY CIVIL UNREST) 

Volunteers load food rations on a cart in a warehouse in Pasay city, metro Manila September 17, 2013, which are to be transferred to a Philippine Navy ship bound for conflict-torn Zamboanga city in southern Philippines. About 70,000 residents have been displaced as government troops battle rogue Muslim rebels who attacked and held civilian hostages in Zamboanga city, southern Philippines. REUTERS/Romeo Ranoco (PHILIPPINES - Tags: POLITICS MILITARY CIVIL UNREST) 

An armoured vehicle drives past government soldiers for another offensive against the Muslim rebels of Moro National Liberation Front (MNLF) positions in Zamboanga city in southern Philippines September 16, 2013. Philippine forces launched air strikes on Monday to root out rogue Muslim rebels from a southern city, stepping up efforts to end more than a week of clashes that have killed scores of people. The army said at least 62 people have been killed, including 51 of the independence-seeking rebels and five civilians. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier smokes a cigarette during a lull in fighting with the Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 16, 2013. Philippine forces launched air strikes on Monday to root out rogue Muslim rebels from a southern city, stepping up efforts to end more than a week of clashes that have killed scores of people. The army said at least 62 people have been killed, including 51 of the independence-seeking rebels and five civilians. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier from Task Force Zamboanga (TFZ) fires a 60mm mortar round towards the Muslim rebels of Moro National Liberation Front (MNLF) positions in Zamboanga city in southern Philippines September 16, 2013. Philippine forces launched air strikes on Monday to root out rogue Muslim rebels from a southern city, stepping up efforts to end more than a week of clashes that have killed scores of people. The army said at least 62 people have been killed, including 51 of the independence-seeking rebels and five civilians. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

Police inspect the scene of a mortar attack by Muslim rebels of Moro National Liberation Front (MNLF) in downtown Zamboanga city in southern Philippines September 16, 2013. Philippine forces launched air strikes on Monday to root out rogue Muslim rebels from a southern city, stepping up efforts to end more than a week of clashes that have killed scores of people. The fighting has been a stark reminder that decades-old grievances fester in the Catholic-majority country despite strong economic growth and an agreement with the biggest Muslim rebel group that was meant to pave the way to peace. The army said at least 62 people have been killed, including 51 of the independence-seeking rebels and five civilians. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Police inspect the scene of a mortar attack by Muslim rebels of Moro National Liberation Front (MNLF) in downtown Zamboanga city in southern Philippines September 16, 2013. Philippine forces launched air strikes on Monday to root out rogue Muslim rebels from a southern city, stepping up efforts to end more than a week of clashes that have killed scores of people. The fighting has been a stark reminder that decades-old grievances fester in the Catholic-majority country despite strong economic growth and an agreement with the biggest Muslim rebel group that was meant to pave the way to peace. The army said at least 62 people have been killed, including 51 of the independence-seeking rebels and five civilians. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Government soldiers of Task Force Zamboanga feed pigeons with bread crumbs near a military command post during a lull in fighting with Muslim rebels of Moro National Liberation Front (MNLF), in Zamboanga city in southern Philippines September 16, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY ANIMALS) 

Government soldiers of Task Force Zamboanga (TFZ) feed pigeons with bread crumbs near a military command post during a lull in fighting with Muslim rebels of Moro National Liberation Front (MNLF), in Zamboanga city in southern Philippines September 16, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY ANIMALS) 

Government soldiers of Task Force Zamboanga (TFZ) take cover during fighting with Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 16, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier of Task Force Zamboanga (TFZ) takes cover during fighting with Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 16, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

The head of a government soldier belonging to Task Force Zamboanga (TFZ) is engulfed with smoke as he fires a 60mm mortar round towards the Muslim rebels of Moro National Liberation Front (MNLF) positions in Zamboanga city in southern Philippines September 16, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

Government soldiers of Task Force Zamboanga (TFZ) fire a 60mm mortar round towards the Muslim rebels of Moro National Liberation Front (MNLF) positions in Zamboanga city in southern Philippines September 16, 2013.REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier fires a 60mm mortar round towards the positions of the Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 16, 2013.REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

Smoke billows from burning houses in a residential district as firefight rages between government soldiers and Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 16, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Smoke billows from burning houses in a residential district as firefight rages between government soldiers and Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 16, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Members of the Philippine marines hold their weapons aboard a truck as they block a road during fighting between government soldiers and Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city, southern Philippines, September 15, 2013. A week of violence in the southern Philippines has undercut hopes of lasting peace in the resource-rich region and exposed the government to criticism for underestimating rogue Muslim rebels who feel ignored by a landmark deal last year. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A government soldier takes a position with a machinegun at the porch of a house during fighting with Muslim rebels from the Moro National Liberation Front (MNLF) in Zamboanga city, southern Philippines, September 15, 2013. A week of violence in the southern Philippines has undercut hopes of lasting peace in the resource-rich region and exposed the government to criticism for underestimating rogue Muslim rebels who feel ignored by a landmark deal last year. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

The hand of a dead Muslim rebel from the Moro National Liberation Front (MNLF), killed by the government during fighting, is pictured in a military truck in Zamboanga city, southern Philippines, September 15, 2013. A week of violence in the southern Philippines has undercut hopes of lasting peace in the resource-rich region and exposed the government to criticism for underestimating rogue Muslim rebels who feel ignored by a landmark deal last year. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A government soldier carries a plastic bag containing grenade ammunitions for his comrades during a lull in fighting with Muslim rebels from the Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 15, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier stands guard outside a tourist police station in Fort Pilar near a wall destroyed by fighting with Muslim rebels from the Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 15, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY CRIME LAW TRAVEL) 

Members of the Philippine Marines hold their weapons aboard a truck as they block a road during fighting between government soldiers and Muslim rebels of Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 15, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier looks out from a partially destroyed wall of a house, caused by fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF), in Zamboanga city in southern Philippines September 15, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier stands guard on a road during a lull in fighting with Muslim rebels from the Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 15, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: MILITARY CONFLICT) 

A government soldier takes up position with a machinegun on the porch of a house during fighting with Muslim rebels from the Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 15, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: MILITARY CONFLICT) 

Government soldiers secure a road during a lull in fighting with Muslim rebels from the Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 15, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CONFLICT MILITARY) 

A flotilla of bancas (locally made boats) carrying evacuees displaced from their homes due to fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF), is seen during sunset at a wharf in Zamboanga city, southern Philippines September 14, 2013. Fighting intensified on Saturday in the southern Philippines between government troops and rogue Muslim separatists, shattering a ceasefire almost immediately as it was to go into effect and leaving many residents running low on supplies. Dozens have been wounded and more than 62,000 people displaced, with hundreds of homes razed and a hospital still in flames. REUTERS/Erik De Castro(PHILIPPINES - Tags: POLITICS CIVIL UNREST CONFLICT) BEST QUALITY AVAILABLE 

Residents who were displaced from their homes, due to fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF), stay in makeshift tents at a sports complex, which has been turned into an evacuation centre, in Zamboanga city in southern Philippines September 14, 2013. Fighting intensified on Saturday in the southern Philippines between government troops and rogue Muslim separatists, shattering a ceasefire almost immediately as it was to go into effect and leaving many residents running low on supplies. Dozens have been wounded and more than 62,000 people displaced, with hundreds of homes razed and a hospital still in flames. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Villagers who were displaced from their homes, due to fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF), cook food outside their makeshift tent at a sports complex, which has been turned into an evacuation centre, in Zamboanga city in southern Philippines September 14, 2013. Fighting intensified on Saturday in the southern Philippines between government troops and rogue Muslim separatists, shattering a ceasefire almost immediately as it was to go into effect and leaving many residents running low on supplies. Dozens have been wounded and more than 62,000 people displaced, with hundreds of homes razed and a hospital still in flames. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A man plays with his child at an evacuation center for residents who were displaced from their homes, due to fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF), in Zamboanga city in southern Philippines September 14, 2013. Fighting intensified on Saturday in the southern Philippines between government troops and rogue Muslim separatists, shattering a ceasefire almost immediately as it was to go into effect and leaving many residents running low on supplies. Dozens have been wounded and more than 62,000 people displaced, with hundreds of homes razed and a hospital still in flames. REUTERS/Erik De Castro (PHILIPPINES - - Tags: CIVIL UNREST CONFLICT POLITICS TPX IMAGES OF THE DAY) 

Villagers, who were displaced from their homes due to fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF), wait for the distribution of relief goods in Zamboanga city in southern Philippines September 14, 2013. Fighting intensified on Saturday in the southern Philippines between government troops and rogue Muslim separatists, shattering a ceasefire almost immediately as it was to go into effect and leaving many residents running low on supplies. Dozens have been wounded and more than 62,000 people displaced, with hundreds of homes razed and a hospital still in flames. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A general view of a row of tents for villagers who were displaced from their homes due to fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF) is seen at a sports complex, which was turned into an evacuation centre, in Zamboanga city in southern Philippines September 14, 2013. Fighting intensified on Saturday in the southern Philippines between government troops and rogue Muslim separatists, shattering a ceasefire almost immediately as it was to go into effect and leaving many residents running low on supplies. Dozens have been wounded and more than 62,000 people displaced, with hundreds of homes razed and a hospital still in flames. REUTERS/Erik De Castro (PHILIPPINES - - Tags: CIVIL UNREST CONFLICT POLITICS) 

Residents who were displaced from their homes due to fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF) wait for the distribution of food at a sports complex, which has been turned into an evacuation centre, in Zamboanga city in southern Philippines September 14, 2013. Fighting intensified on Saturday in the southern Philippines between government troops and rogue Muslim separatists, shattering a ceasefire almost immediately as it was to go into effect and leaving many residents running low on supplies. Dozens have been wounded and more than 62,000 people displaced, with hundreds of homes razed and a hospital still in flames. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A flotilla of bancas (locally made boats) carrying evacuees displaced from their homes due to fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF), is seen during sunset at a wharf in Zamboanga city, southern Philippines September 14, 2013. Fighting intensified on Saturday in the southern Philippines between government troops and rogue Muslim separatists, shattering a ceasefire almost immediately as it was to go into effect and leaving many residents running low on supplies. Dozens have been wounded and more than 62,000 people displaced, with hundreds of homes razed and a hospital still in flames. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS TPX IMAGES OF THE DAY CITYSCAPE MARITIME) FOR BEST QUALITY IMAGE ALSO SEE: GF2EA4T1UMC01 

Philippine Red Cross personnel help their wounded colleague after a mortar attack near the scene of fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 13, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A resident carries his roosters after people were forced to evacuate their village due to fighting between government soldiers and Muslim rebels from the Moro National Liberation Front (MNLF) in Zamboanga city in southern Philippines September 13, 2013. Local government officials said evacuees have reached to about 20,000 people, as a government stand-off with the MNLF seeking an independent state has reached on the fifth day. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS SOCIETY) 

Government soldiers take cover on armoured vehicles as they try to assault the positions of Muslim rebels from the Moro National Liberation Front (MNLF), during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. They retreated afterwards due to IED (improvised explosive device) and booby traps they found on the road, a military official said. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

Government soldiers wear ammunition bandoliers on their shoulders as they prepare to attack the positions of Muslim rebels from the Moro National Liberation Front (MNLF) amidst smoke from burning houses, during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. They retreated afterwards due to IED (improvised explosive device) and booby traps they found on the road, a military official said. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

Government soldiers take cover on armoured vehicles as they try to assault the positions of Muslim rebels from the Moro National Liberation Front (MNLF), during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. The soldiers retreated afterwards due to IED (improvised explosive device) and booby traps they found on the road, a military official said. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

Government soldiers take cover near armoured vehicles as they try to assault the positions of Muslim rebels from the Moro National Liberation Front (MNLF), during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. They retreated afterwards due to IED (improvised explosive device) and booby traps they found on the road, a military official said. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

Government soldiers take cover near armoured vehicles as they try to assault the positions of Muslim rebels from the Moro National Liberation Front (MNLF) amidst smoke from burning houses, during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. The soldiers retreated afterwards due to IED (improvised explosive device) and booby traps they found on the road, a military official said. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier rests in an armoured vehicle shortly before their unit tried to assault the positions of Muslim rebels from the Moro National Liberation Front (MNLF), during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. They retreated afterwards due to IED (improvised explosive device) and booby traps they found on the road, a military official said. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS) 

A government soldier takes a position during a gunbattle with Muslim rebels from the Moro National Liberation Front (MNLF), during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier shouts at his comrades to retreat after their unit tried to assault the positions of Muslim rebels from the Moro National Liberation Front (MNLF), during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. The soldiers retreated afterwards due to IED (improvised explosive device) and booby traps they found on the road, a military official said. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

A government soldier carries a recoilless rifle as he retreats after their unit tried to assault the positions of Muslim rebels from the Moro National Liberation Front (MNLF), during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. The soldiers retreated afterwards due to IED (improvised explosive device) and booby traps they found on the road, a military official said. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY) 

Government soldiers take position as they try to assault the positions of Muslim rebels from the Moro National Liberation Front (MNLF), during a gunbattle in Zamboanga city in southern Philippines September 13, 2013. They retreated afterwards due to IED (improvised explosive device) and booby traps they found on the road, a military official said. REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY)