Images from Syria

Men react as they carry the body of a relative, whom activists say was killed by barrel bombs dropped by forces loyal to Syria's President Bashar al-Assad in Aleppo's al-Sakhour district, April 30, 2014.

This photo provided by the anti-government activist group Aleppo Media Center shows a damaged school that was hit by a Syrian government air strike in Aleppo, April 30, 2014.

This photo provided by the anti-government activist group Aleppo Media Center shows two Syrian men standing inside a school that was hit by a Syrian government air strike in Aleppo, April. 30, 2014.

People gather at the site of two car bomb attacks at al-Abassia roundabout in Homs, April 29, 2014. (SANA)