More than 300 workers were inside at the time . Escapees tell Xinhua the gates were locked when the fire breaks out . Another 54 workers were injured . Authorities do not know how many people are trapped in the plant . The cause of the explosion is still under investigation, but it was likely caused by a gas leak or an electrical fault that led to a fire, said Wang Yimin, deputy director general of China's
More than 300 workers were inside at the time . Escapees tell Xinhua the gates were locked when the fire breaks out . Authorities do not know how many people are trapped in the plant . The cause of the explosion is still under investigation, but it was likely caused by a gas leak or an electrical fault that led to a fire, said Wang Yimin, deputy director general of China's