Construction equipments donated by China, that will aid in the rehabilitation of the war-torn Marawi city, are seen in the port of Iligan city, southern Philippines October 19, 2017. REUTERS/Romeo Ranoco 

Government workers inspect construction equipment donated by China, that will aid in the rehabilitation of the war-torn Marawi city, in the port of Iligan city, southern Philippines October 19, 2017. REUTERS/Romeo Ranoco 

Bulldozers donated by China, that will aid in the rehabilitation of the war-torn Marawi city, are seen in the port of Iligan city, southern Philippines October 19, 2017. REUTERS/Romeo Ranoco 

A port worker rides his bike in front of construction equipment donated by China, that will aid in the rehabilitation of the war-torn Marawi city, in the port of Iligan city, southern Philippines October 19, 2017. REUTERS/Romeo Ranoco 

A row of dump trucks donated by China, that will aid in the rehabilitation of the war-torn Marawi city, is seen in the port of Iligan city, southern Philippines October 19, 2017. REUTERS/Romeo Ranoco 

Government female soldiers wearing white hijabs distribute candies and goodies as part of their psychosocial activities at one of the evacuation centres in Iligan city, southern Philippines, September 8, 2017. Picture taken September 8, 2017. To match Insight PHILIPPINES-MILITANTS/RECRUITMENT REUTERS/Romeo Ranoco 

An armoured personnel carrier (APC) drives along a main national highway of Mahayahay town after the intense fights between soldiers and pro-IS militants group, who have taken over parts of Marawi, in Iligan City, Philippines September 12, 2017. REUTERS/Romeo Ranoco 

An armoured personnel carrier (APC) drives along a main national highway of Mahayahay town after the intense fights between soldiers and pro-IS militants group, who have taken over parts of Marawi, in Iligan City, Philippines September 12, 2017. REUTERS/Romeo Ranoco 

A government soldier carries a child evacuee on her back while playing outside an evacuation center in Iligan city, southern Philippines September 8, 2017. REUTERS/Romeo Ranoco 

A government soldier carries a child evacuee on her back while playing outside an evacuation center in Iligan city, southern Philippines September 8, 2017. REUTERS/Romeo Ranoco 

A government soldier plays with child evacuees outside an evacuation center in Iligan city, southern Philippines September 8, 2017. REUTERS/Romeo Ranoco 

Smoked fish are displayed for sale on the route between Iligan and Marawi City, Philippines July 7, 2017. REUTERS/Jorge Silva 

Smoked fish are displayed for sale on the route between Iligan and Marawi City, Philippines July 7, 2017. REUTERS/Jorge Silva 

Cemetery workers store coffins with the bodies of alleged Maute group members killed in an ambush after being arrested, in Iligan, Philippines June 29, 2017. REUTERS/Jorge Silva 

Cemetery workers store coffins with the bodies of alleged Maute group members killed in an ambush after being arrested, in Iligan, Philippines June 29, 2017. REUTERS/Jorge Silva 

Cemetery workers transfer from a truck coffins with the bodies of alleged Maute group members killed in an ambush after being arrested, in Iligan, Philippines June 29, 2017. REUTERS/Jorge Silva 

A coffin with the body of an alleged Maute group member is seen at a cemmetery in Iligan, Philippines June 29, 2017. REUTERS/Jorge Silva 

An evacuated resident carries a child at an evacuation centre in Iligan, while government forces fight insurgents from the Maute group in Marawi, Philippines June 27, 2017. REUTERS/Jorge Silva 

Evacuated residents rest at an evacuation centre in Iligan, while government forces fight insurgents from the Maute group in Marawi, Philippines June 26, 2017. REUTERS/Jorge Silva 

Evacuated residents rest at an evacuation centre in Iligan, while government forces fight insurgents from the Maute group in Marawi, Philippines June 27, 2017. REUTERS/Jorge Silva 

Evacuated residents gather at an evacuation centre in Iligan, while government forces fight insurgents from the Maute group in Marawi, Philippines June 27, 2017. REUTERS/Jorge Silva 

Evacuated residents rest at an evacuation centre in Iligan, while government forces fight insurgents from the Maute group in Marawi, Philippines June 27, 2017. REUTERS/Jorge Silva 

Evacuated residents rest at an evacuation centre in Iligan, while government forces fight insurgents from the Maute group in Marawi, Philippines June 27, 2017. REUTERS/Jorge Silva 

Evacuated residents rest at an evacuation centre in Iligan, while government forces fight insurgents from the Maute group in Marawi, Philippines June 27, 2017. REUTERS/Jorge Silva 

An evacuated woman poses while cooking in an evacuation centre in Iligan, while government forces fight insurgents from the Maute group in Marawi, Philippines June 27, 2017. REUTERS/Jorge Silva 

Evacuated residents rest at an evacuation centre in Iligan, while government forces fight insurgents from the Maute group in Marawi, Philippines June 27, 2017. REUTERS/Jorge Silva 

Evacuated people have an iftar dinner to break the fast at an evacuation center in Iligan, Philippines June 24, 2017. REUTERS/Jorge Silva 

Evacuated people have an iftar dinner to break the fast at an evacuation center in Iligan, Philippines June 24, 2017. REUTERS/Jorge Silva 

A mother feeds a baby at an evacuation center in Iligan, Philippines June 24, 2017. REUTERS/Jorge Silva 

A child is fed at an evacuation center in Iligan, Philippines June 24, 2017. REUTERS/Jorge Silva 

Evacuated one-month-old baby Sahir, who is nickname "Martial Law", lies on the floor at an evacuation center in Iligan, Philippines June 24, 2017. REUTERS/Jorge Silva 

Evacuated one-month-old baby Sahir, who is nickname "Martial Law", lies while his relatives as they have a dinner at an evacuation center in Iligan, Philippines June 24, 2017. REUTERS/Jorge Silva 

A Philippine army soldier eats a watermelon while patrolling in Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva TPX IMAGES OF THE DAY 

Evacuated children who left their homes to avoid the fighting between the government forces and insurgents from the Maute group in Marawi, stay inside the evacuation center in Iligan, Philippines June 24, 2017. REUTERS/Jorge Silva 

A Philippine army soldier eats a watermelon while patrolling in Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva 

Philippine army soldiers pause while patrolling in Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva 

Philippine Army soldiers pause while patrolling in Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva 

Men look at a poster issued by authorities with pictures of wanted Maute group members in Iligan, as government forces continue their assault against insurgents who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva 

Members of the Philippine National Police Special Action Force ride on a truck in Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva TPX IMAGES OF THE DAY 

Members of the Philippine Army check the identity of bus passengers at a check point outside Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva 

A member of the Philippine Army inspects a bus at a check point outside Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva 

Members of the Philippine National Police Special Action Force ride on a truck in Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva 

Members of the Philippine National Police Special Action Force ride on a truck in Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva 

A member of the Philippine Army inspects a bus at a check point outside Iligan, as government forces continue their assault against insurgents from the Maute group, who have taken over large parts of Marawi City, Philippines June 24, 2017. REUTERS/Jorge Silva 

Philippines' President Rodrigo Duterte gestures while delivering a speech during his visit at the Iligan City National School of Fisheries evacuation center in Iligan City, Philippines June 20, 2017. REUTERS/Romeo Ranoco 

Philippines' President Rodrigo Duterte holds Philippine Peso bills for the Marawi evacuees during his visit at the Iligan City National School of Fisheries evacuation center in Iligan City, Philippines June 20, 2017. REUTERS/Romeo Ranoco 

Philippines' President Rodrigo Duterte holds Philippine Peso bills for the Marawi evacuees during his visit at the Iligan City National School of Fisheries evacuation center in Iligan City, Philippines June 20, 2017. REUTERS/Romeo Ranoco 

Residents who left their homes to avoid the intense fighting between the government forces and insurgents from the Maute group, who have taken over parts of Marawi city, are seen inside the evacuation centre in Iligan city, southern Philippines June 18, 2017. REUTERS/Romeo Ranoco 

A resident who left her home to avoid the intense fighting between the government forces and insurgents from the Maute group, who have taken over parts of Marawi city, cooks a meal at the evacuation centre in Iligan city, southern Philippines June 18, 2017. REUTERS/Romeo Ranoco 

Residents who left their homes to avoid the intense fighting between the government forces and insurgents from the Maute group, who have taken over parts of Marawi city, are seen inside the evacuation centre in Iligan city, southern Philippines June 18, 2017. REUTERS/Romeo Ranoco 

Children who left their homes and their families to avoid the intense fighting between the government forces and insurgents from the Maute group, who have taken over parts of Marawi city, play at the evacuation centre in Iligan city, southern Philippines June 18, 2017. REUTERS/Romeo Ranoco 

Government workers explain a poster displaying different kinds of bombs during an Unexploded Ordnance briefing to children who have left their houses with their families to escape intense fighting between government forces and insurgents from Maute group, who have taken over parts of Marawi city, at the evacuation center in Iligan city, southern Philippines June 18, 2017. REUTERS/Romeo Ranoco 

A government worker explains a poster of different kinds of bombs to avoid during an Unexploded Ordnance briefing to the residents who left their houses with their families to avoid the intense fighting between the government forces and insurgents from the Maute group, who have taken over parts of Marawi city, at the evacuation centre in Iligan city, southern Philippines June 18, 2017. REUTERS/Romeo Ranoco 

A government worker explains a poster displaying different kinds of bombs during an Unexploded Ordnance briefing to children who have left their houses with their families to escape intense fighting between government forces and insurgents from Maute group, who have taken over parts of Marawi city, at the evacuation centre in Iligan city, southern Philippines June 18, 2017. REUTERS/Romeo Ranoco 

A government worker explains a poster displaying different kinds of bombs during an Unexploded Ordnance briefing to children who have left their houses with their families to escape intense fighting between government forces and insurgents from Maute group, who have taken over parts of Marawi city, at the evacuation centre in Iligan city, southern Philippines June 18, 2017. REUTERS/Romeo Ranoco 

A government worker explains a poster displaying different kinds of bombs during an Unexploded Ordnance briefing to children who have left their houses with their families to escape intense fighting between government forces and insurgents from Maute group, who have taken over parts of Marawi city, at the evacuation centre in Iligan city, southern Philippines June 18, 2017. REUTERS/Romeo Ranoco 

Government soldiers transport a cadaver of a soldier, who was killed during the government troops assault against the insurgents from the Maute group, who seized large parts of the Marawi city, in Iligan, Philippines June 11, 2017. REUTERS/Romeo Ranoco 

Government soldiers fold a Philippine flag in front of a coffin of the soldiers who were killed during the government troops assault against the insurgents from the Maute group, who have seized large parts of the Marawi city, in Iligan, Philippines June 11, 2017. REUTERS/Romeo Ranoco 

Government soldiers transport a cadaver of a soldier, who was killed during the government troops assault against the insurgents from the Maute group, who seized large parts of the Marawi city, in Iligan, Philippines June 11, 2017. REUTERS/Romeo Ranoco 

Government soldiers lifts up a coffin containing the body of a soldier, who was killed during the government troops assault against the insurgents from the Maute group, who seized large parts of the Marawi city, in Iligan, Philippines June 11, 2017. REUTERS/Romeo Ranoco