Authorities in Pakistan’s southwestern Balochistan province said Friday that at least 11 coal mine workers were killed and six injured when their vehicle hit a roadside bomb. The early morning incident occurred near a coal mine in the Harnai district of the insurgency-hit province, which is rich in natural resources.

Ten labourers were killed on Friday when their vehicle was hit by a blast from an improvised explosive device (IED) in southwest Pakistan, an official said. Security forces have been battling a decades-long insurgency by separatist groups in impoverished Balochistan,

Officials said an improvised explosive device struck a vehicle carrying coal miners in the country’s southwest.