A car bombing in the northern Syrian city of Afrin on Monday killed six people, including at least one Turkey-backed rebel fighter, a war monitor said.

Axar.az reports citing foreign media that Afrin, like all areas held by pro-Turkish rebels, is the scene of regularly targeted killings, bombings, and shootings that largely remain unclaimed.

On Monday, an explosive-laden vehicle detonated in “an area crowded with civilians” in the centre of the rebel-held city, said the Britain-based Syrian Observatory for Human Rights.

The explosion hit a market and military outpost for the hardline Jaysh al-Islam rebel group, according to the monitor which relies on a network of sources inside Syria.