At least 38 people were poisoned after a type of toxic gas leaked in east China's Zhejiang Province Sunday, Xinhua quoted the local government as saying. The accident took place at about 7 p.m. when some people were dismantling a tank once contained poisonous benzene in a chemical plant in Jinyun County. At least 38 workers and villagers were poisoned. Two poisoned were still hospitalized and the police have detained people held responsible for the accident.