Aleppo Airstrike Kills at Least 33

A man walks inside a mosque damaged by, according to activists, a barrel bomb thrown by forces loyal to Syria's president Bashar Al-Assad in Old Aleppo, May 1, 2014.

Syrian opposition activists say government aircraft struck a busy market in the rebel-controlled district of Aleppo, killing at least 33 people.

The Britain-based Syrian Observatory for Human Rights said Thursday's attack occurred in the Hillok area.

The attack comes a day after a strike on an Aleppo school left 18 dead, many of them children.

Aleppo has been divided between government forces and rebels, with forces loyal to Syrian President Bashar al-Assad carrying out frequent airstrikes and dropping crude barrel bombs in rebel-held areas.

Images from Syria