Four workers at Duyen Hai Thermal Power Plant in the Mekong Delta province of Tra Vinh died of gas suffocation yesterday.

Xuan Don Commune (in red), the scene of the incident. —Photo news.zing.vn

Power Generation Corporation 1, under the State-run Vietnam Electricity Corporation, said in a press release that an accident occurred at 12:10 pm at a raw water pumping station owned by the company.

Initial results of an investigation showed the deaths were due to gas suffocation during the sludge extraction process.

The four workers were rushed to hospital but later died.

The company is working with provincial police and other agencies to cordon off the scene, resolve relevant issues and clarify the cause of the occupational accident. ––VNS