Bashar al-Assad prepares to assault last rebel enclave near Damascus

The Syrian army began preparatory shelling on Tuesday for an assault on the last area outside its control near Damascus, a commander in the pro-government alliance said.

Recovering the Yarmouk camp and neighbouring areas south of the city would give Assad complete control over Syria’s capital. Yarmouk, Syria’s biggest camp for Palestinian refugees, has been under the control of Islamic State fighters for years. Although most residents have fled, the United Nations says several thousand remain.

Assad has benefited from Russian air power since 2015 to regain large swathes of Syria. The suspected poison gas attack creates a conundrum for Western powers,