A woman cries inside her destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. REUTERS/Marko Djurica TPX IMAGES OF THE DAY

A man reacts on front of a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A couple looks at the stairwell of their damaged apartment building in Kumanovo, Macedonia May 11, 2015. Macedonia said on Sunday its police had wiped out a group of ethnic Albanian "terrorists" in a day-long gun battle that left at least 22 people dead at a moment of deep political crisis in the former Yugoslav republic. NATO, which dragged Macedonia from the brink of civil war in 2001, called for a "transparent investigation" of what went on when heavily armed police entered a mainly Albanian neighborhood in the northern town of Kumanovo before dawn on Saturday. REUTERS/Ognen Teofilovski

A man looks at his brown wounded cow as it lies in a yard of his damaged house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A man stands inside a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

Neighbours talk in front of a damaged house in Kumanovo, Macedonia May 11, 2015. Macedonia said on Sunday its police had wiped out a group of ethnic Albanian "terrorists" in a day-long gun battle that left at least 22 people dead at a moment of deep political crisis in the former Yugoslav republic. NATO, which dragged Macedonia from the brink of civil war in 2001, called for a "transparent investigation" of what went on when heavily armed police entered a mainly Albanian neighborhood in the northern town of Kumanovo before dawn on Saturday. REUTERS/Ognen Teofilovski TPX IMAGES OF THE DAY

Bullets are pictured on a brick in front of a house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

People look at a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A man looks on next to a destroyed house decorated with an Albanian flag in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

People look at a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

Parts of a mortar shell are pictured inside a damaged house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A man reacts next to a burnt out vehicle in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

People are seen through a bullet hole on a damaged house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A man looks at a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

People stand beside a burnt out vehicle and a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A man looks through a window of a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A man walks down the stairs inside a damaged house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

People walk by a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A man reacts next to his damaged house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A man looks through a window of a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

People stand by a wall covered by shrapnels in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

A man stands inside a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica

People walk on Pero Ilievski street in Kumanovo, Macedonia May 11, 2015. Macedonia said on Sunday its police had wiped out a group of ethnic Albanian "terrorists" in a day-long gun battle that left at least 22 people dead at a moment of deep political crisis in the former Yugoslav republic. NATO, which dragged Macedonia from the brink of civil war in 2001, called for a "transparent investigation" of what went on when heavily armed police entered a mainly Albanian neighborhood in the northern town of Kumanovo before dawn on Saturday. REUTERS/Ognen Teofilovski 

People walk inside a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica TPX IMAGES OF THE DAY

A woman reacts in front her house in Kumanovo, Macedonia May 11, 2015. Macedonia said on Sunday its police had wiped out a group of ethnic Albanian "terrorists" in a day-long gun battle that left at least 22 people dead at a moment of deep political crisis in the former Yugoslav republic. NATO, which dragged Macedonia from the brink of civil war in 2001, called for a "transparent investigation" of what went on when heavily armed police entered a mainly Albanian neighborhood in the northern town of Kumanovo before dawn on Saturday. REUTERS/Ognen Teofilovski

A man looks at a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. REUTERS/Marko Djurica

A woman walks inside her damaged apartment in Kumanovo, Macedonia May 11, 2015. Macedonia said on Sunday its police had wiped out a group of ethnic Albanian "terrorists" in a day-long gun battle that left at least 22 people dead at a moment of deep political crisis in the former Yugoslav republic. NATO, which dragged Macedonia from the brink of civil war in 2001, called for a "transparent investigation" of what went on when heavily armed police entered a mainly Albanian neighborhood in the northern town of Kumanovo before dawn on Saturday. REUTERS/Ognen Teofilovski

A man walks through his damaged apartment in Kumanovo, Macedonia May 11, 2015. Macedonia said on Sunday its police had wiped out a group of ethnic Albanian "terrorists" in a day-long gun battle that left at least 22 people dead at a moment of deep political crisis in the former Yugoslav republic. NATO, which dragged Macedonia from the brink of civil war in 2001, called for a "transparent investigation" of what went on when heavily armed police entered a mainly Albanian neighborhood in the northern town of Kumanovo before dawn on Saturday. REUTERS/Ognen Teofilovski

A boy looks through bullet holes left on the porch of his house in Kumanovo, Macedonia May 11, 2015. Macedonia said on Sunday its police had wiped out a group of ethnic Albanian "terrorists" in a day-long gun battle that left at least 22 people dead at a moment of deep political crisis in the former Yugoslav republic. NATO, which dragged Macedonia from the brink of civil war in 2001, called for a "transparent investigation" of what went on when heavily armed police entered a mainly Albanian neighborhood in the northern town of Kumanovo before dawn on Saturday. REUTERS/Ognen Teofilovski 

A man looks through a window of a destroyed house in Kumanovo, Macedonia, May 11, 2015. Pero Ilievski Street looked on Monday like it had been struck by a tsunami, cobblestones torn up and walls crushed by armored vehicles of a special anti-terrorist unit of the Macedonian police. Stunned ethnic Albanian residents of this north Macedonian town stepped gingerly through shattered glass and roof tiles, crushed cars and dirt smeared with blood – damage wrought by a weekend operation that left 22 people dead and heralds a new phase of uncertainty in a country deep in crisis. REUTERS/Marko Djurica