REUTERS

The fighting in Aleppo came as airstrikes hit towns in the northwestern province of Idlib, killing at least 13 people, according to the Britain-based Syrian Observatory for Human Rights and the Local Coordination Committees, the AP said.

They said the people killed were in the towns of Kfar Takharim and Khan Sheikhoun, where a market was hit.

Read alsoReuters: Battle for Aleppo intensifies after ceasefire endsFighting resumed in Aleppo over the weekend, following a days-long lull announced by Moscow that was meant to allow rebels and civilians to leave the eastern districts. The rebels rejected the Russian offer and none of the civilians left.