At least 22 people have been killed when a car bomb exploded in front of a mosque in Daraa province of southern Syria, the Syrian Observatory for Human Rights said.

Among the dead in Friday’s blast in the rebel-controlled town of Namar were a woman and a child, the Britain-based monitoring group said.

In northern Syria, the Observatory reported 10 people killed when regime helicopters dropped explosive-packed barrel bombs on Aleppo city.

The attacks targeted the Bab al-Nairab district of the Old City and the southern Salahin neighbourhood.

North of Aleppo city, the Observatory said jihadists from the Islamic State (IS) group extended their advances, seizing Baghaydin village near the border with Turkey.