Dozens of civilians are feared dead as Syrian government forces bombard rebel-held Eastern Ghouta area outside Damascus.
The UK-based Syrian Observatory for Human Rights (SOHR) said at least 100 civilians, including 20 children, were killed by rockets and air strikes. The SOHR said 470 people had been injured, some critically.
Urging a halt to the bombardment, a UN official said the situation was spiralling out of control.
The Eastern Ghouta is the last remaining opposition-held enclave near the capital and is completely surrounded by areas under government control.