Beijing: Seven persons were killed and 40 others injured after a commuter-van from a mine company exploded in northeast China`s Heilongjiang Province.
The mishap occurred Friday in Shuangyashan City of the district of Lingdong, officials said.
The blast also affected a coach on the opposite lane, state run Xinhua news agency reported. There were 52 passengers aboard the two vehicles.
While an investigation into the cause of the accident is under way, the China Central Television quoted witnesses as saying the van was carrying detonators.