CNPC Dalian plant on fire

Smoke and fire are seen after a fire at a China National Petroleum Corporation (CNPC) plant in Dalian, Liaoning province, Aug 29, 2011. [Photo/Xinhua]

A fire erupted at a China National Petroleum Corporation (CNPC) plant in Dalian, Northeast China's Liaoning province at around 10 am on Monday, Xinhua reported.

A statement on the CNPC's official website confirmed the incident, saying a tank containing about 800 tons of diesel oil is on fire.

The statement said: "The cause of the blaze is being investigated. No one was injured and no oil spilled into the sea."

The CNPC refinery in Dalian also caught fire in July.