03 January,2009 12:14 PM IST | | AFP
At least five people were killed in an explosion at a chemical plant in east China, state media reported on Saturday.u00a0
The blast happened in Wucheng County in Shandong province on Thursday afternoon and killed one person on the spot, injuring 13 others, the official Xinhua news agency said, quoting government sources in the county.
Four others - all migrant workers - died later in hospital, Xinhua said.
An investigation has been launched into the cause of the blast.
China's work safety record is notoriously bad. Thousands of people die every year in mines, factories and on construction sites, according to official sources.
