Regime bombardment killed nearly 30 people in a rebel enclave near Damascus, as Syria’s seven-year conflict left civilians paying a heavy price.

Residents across several Syrian battlefronts have reported escalating bombardment and have accused Syrian troops of deploying toxic chemicals against rebel-held zones.

The United States has said there was “Obvious Evidence” of multiple chlorine gas attacks in recent weeks, including in the opposition-held enclave of eastern Ghouta near Damascus.

According to the Britain-based Syrian observatory for human rights, dozens of air strikes and artillery fire battered eastern Ghouta.

The deadliest raids hit a market in the town of Beit Sawa, killing 10 civilians including two children.Another nine civilians, two of them children and one a local rescue worker, were killed in Arbin.