Eleven miners trapped underground in China’s Yunnan Province have been rescued, while another six workers have been saved from a flooded coal mine in Heilongjiang Province.

The Yunnan Province accident happened after the mine in Lianghe County caved in around 1pm on Saturday, trapping 11 workers inside.

Authorities rescued all workers after 40 hours of operation by digging a tunnel to reach the trapped miners, Chinese news agency Xinhua reported.

"Rescuers are racing to search for the other five workers who have been trapped in the pit for about seven days."

According to the local authorities, the collapsed happened due to mudflow caused by heavy rain in the region.

After part of the mine caved in, the local authorities deployed about 1000 rescuers in the operation to save the trapper miners.

In another incident, a coal mine at Hegang in the Heilongjiang province of north-east China flooded last Monday, trapping 16 workers.

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The rescuers have managed to save six people, while four others have died.

Xinhua reported: "Rescuers are racing to search for the other five workers who have been trapped in the pit for about seven days."

The accident happened at Xuxiang Colliery, which is owned by a private company and has a capacity to produce 150,000t per year.