NANCHANG, May 7 (Xinhua) -- A total of three workers were killed and another four injured in a fireworks plant blast Thursday in east China's Jiangxi Province, local government said.

    The explosion occurred at around 2:50 p.m. in Fuhao Fireworks Plant in Tanbu Town, Wanzai County, an official with the county information office said. Two died on the spot and one died in hospital. All the workers were locals.

    The privately-run plant has all its production-related licenses, the official said, declining to give his name. The local government is investigating the accident.