Syria's defense minister has announced a ceasefire just hours after government forces entered a key city in the volatile Sweida province.

Israel launched rare strikes in Damascus on Wednesday in a campaign it said was aimed at defending the Druze community after days of clashes in the southern city of Sweida.

An eruption of violence in Syria this week that entangled government forces, Bedouin tribes, the Druze religious minority and neighboring Israel highlighted just how combustible the country remains seven months after its longtime authoritarian leader was toppled.

Clashes between Bedouin tribes, government forces and members of a minority sect in Syria have left dozens dead and once again raised fears of a breakdown in the country's fragile postwar order. The country is deeply divided as it tries to emerge from decades of dictatorship and nearly 14 years of civil war.

At least 18 members of Syria's security forces have been killed in the predominantly Druze city of Sweida, the Defence Ministry said, after they deployed to quell deadly sectarian clashes that had resumed on Monday,