Photo taken on Dec. 2, 2016 shows fire engines at the accident site after a private coal mine blast in Qitaihe City, northeast China's Heilongjiang Province. Twenty-one people had been confirmed dead and one was still trapped in the explosion accident which occurred on Nov. 29. (Xinhua/Wang Song)
Twenty-one people had been confirmed dead and one was still trapped as of Friday night after a coal mine blast in northeast China's Heilongjiang Province on Tuesday, according to provincial authorities.
The explosion occurred at a private coal mine in Qitaihe City around 9 p.m. Tuesday, trapping 22 workers underground.
Rescue is underway.