Authorities say a blast at a chemical plant in eastern China has killed three people and injured eight others.

The government of Zibo city in Shandong province said in a statement Sunday that police were investigating the cause of the explosion at a chemical plant owned by Shandong Baoyuan Chemical Co. Ltd.

The statement says the Saturday night blast killed two people at the site while a third person died later at a hospital. Eight other people who suffered slight injuries were being treated at a hospital.

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