A man inspects the damage to a car after what activists said was shelling by forces loyal to Syria's President Assad at a souk in Tariq Al Bab neighbourhood of Aleppo
A man inspects the damage to a car after what activists said was shelling by forces loyal to Syria's President Bashar al-Assad at a souk in Tariq Al Bab neighbourhood of Aleppo December 28, 2013. REUTERS/Hosam Katan (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Scattered produce are pictured amid the rubble after what activists said was shelling by forces loyal to Syria's President Assad at a souk in Tariq Al Bab neighbourhood of Aleppo
Scattered produce are pictured amid the rubble after what activists said was shelling by forces loyal to Syria's President Bashar al-Assad at a souk in Tariq Al Bab neighbourhood of Aleppo, December 28, 2013. REUTERS/Hosam Katan (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
A damaged pick-up truck is pictured after what activists said was shelling by forces loyal to Syria's President Assad at a souk in Tariq Al Bab neighbourhood of Aleppo
A damaged pick-up truck is pictured after what activists said was shelling by forces loyal to Syria's President Bashar al-Assad at a souk in Tariq Al Bab neighbourhood of Aleppo, December 28, 2013. REUTERS/Hosam Katan (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Assad in the Maysar neighbourhood of Aleppo
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Bashar al-Assad in the Maysar neighbourhood of Aleppo December 28, 2013. The neighbourhood was hit by two air strikes on Saturday, activists said. REUTERS/Jalal Alhalabi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
A man stands in a building damaged by what activists said were air strikes from forces loyal to Syria's President Assad in the Maysar neighbourhood of Aleppo
A man stands in a building damaged by what activists said were air strikes from forces loyal to Syria's President Bashar al-Assad in the Maysar neighbourhood of Aleppo December 28, 2013. The neighbourhood was hit by two air strikes on Saturday, activists said. REUTERS/Jalal Alhalabi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Assad in the Maysar neighbourhood of Aleppo
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Bashar al-Assad in the Maysar neighbourhood of Aleppo December 28, 2013. The neighbourhood was hit by two air strikes on Saturday, activists said. REUTERS/Jalal Alhalabi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Assad in the Maysar neighbourhood of Aleppo
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Bashar al-Assad in the Maysar neighbourhood of Aleppo December 28, 2013. The neighbourhood was hit by two air strikes on Saturday, activists said. REUTERS/Jalal Alhalabi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
A child is rescued from under the rubble of a collapsed building in the Maysar neighbourhood of Aleppo
A child is rescued from under the rubble of a collapsed building in the Maysar neighbourhood of Aleppo December 28, 2013. The building collapsed after two air strikes in the neighbourhood by forces loyal to Syria's President Bashar al-Assad on Saturday, activists said. REUTERS/Jalal Alhalabi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT TPX IMAGES OF THE DAY)
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Assad in the Maysar neighbourhood of Aleppo
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Bashar al-Assad in the Maysar neighbourhood of Aleppo December 28, 2013. The neighbourhood was hit by two air strikes on Saturday, activists said. REUTERS/Jalal Alhalabi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Assad in the Maysar neighbourhood of Aleppo
Residents search for survivors after what activists said were air strikes by forces loyal to Syria's President Bashar al-Assad in the Maysar neighbourhood of Aleppo December 28, 2013. The neighbourhood was hit by two air strikes on Saturday, activists said. REUTERS/Jalal Alhalabi (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)