At least seven people are dead and five are seriously injured after a head-on collision in a city in east China's Zhejiang Province early on Wednesday, Xinhua quoted police as saying. The accident occurred in Shangyu City shortly after midnight, when a bus, with an unknown number of passengers aboard, and a coal truck crashed. A police spokesman said the injured had been taken to hospital, where about 30 were being treated for minor injuries. The police are still investigating the cause of the accident.