More than 20 people remained in hospital in Honghu, Hubei province, yesterday after an ammonia leak from a food processing plant left hundreds ill and forced more than 1,000 from their homes.
At least three of the victims were in severe condition, including a 32-year-old firefighter who was helping people escape from the toxic cloud at the Deyan Aquaculture plant on Monday night, according to state media reports.
Some 470 people were poisoned during the two-hour leak, which took the company 40 minutes to report to police, according to the Chongqing Morning Post.
The gas cloud sent residents fleeing from their homes near Hong Lake.
A witness reported seeing several people collapse as they tried to run, the Chongqing Morning Post said. More than 1,000 people were evacuated from their homes.
The plant, which sits on the lake and processes mostly freshwater food products, was ordered to halt production yesterday, Xinhua said. The plant used ammonia as a refrigerating agent.