Police and rescue worker gather at the site of train bombing in Bolan, Baluchistan province.

A bomb planted by suspected militants derailed a passenger train in a remote area in southwestern Pakistan on Friday, injuring at least 15 people on board, officials said.

The train was passing through the district of Bolan in Baluchistan province when the bomb went off, according to a district administrator, Samiullah Agha. He said rescuers transported the injured to a nearby hospital, and engineers were repairing the damaged rail tracks.

The explosion was so powerful that it derailed eight train cars, Agha said.

No one immediately claimed responsibility.

Associated Press