Two persons were killed and nine others injured in an explosion at a chemical factory in east China's Anhui Province, local officials said on Sunday.
The explosion took place on Friday in Anhui Maiqi Chemical Co, Ltd in Bengbu, they said.
A company worker got trapped while cleaning an under construction storage tank and fire-fighters were carrying out a rescue operation, they added.
The storage tank exploded during the operation, killing the worker and one fire-fighter on the spot, and injuring nine other first responders, the state-run Xinhua news agency reported.
All injured have been sent to hospital, it said.
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