SHANGHAI, Sept. 20 (Xinhua) -- A migrant worker was crushed to death and 14 were injured after a thunderstorm hit part of Shanghai on Saturday afternoon, municipal flood authorities said.

    The storm hit the eastern Chinese city's Pudong and Nanhui districts from around 2 p.m. to 5 p.m. with precipitation of up to132 mm, the Shanghai Municipal Flood Control Headquarters said.

    A strong wind accompanied the storm.

    A 47-year-old male migrant worker died after a two-storey workshop building at a steel factory in Heqing Town collapsed. Another person was injured.

    Elsewhere, nine persons were injured at two construction sites. Four others were injured when a 100-square-meter market building fell.

    The headquarters said all the injured had been sent to hospital for treatment and there was no danger to life.

    The "once-in-a century thunderstorm" also flooded some road sections and more than 60 households, it said.