BAOTOU, Inner Mongolia, Nov. 4 (Xinhua) -- Rescuers have retrieved the bodies of all six people trapped underground by a coal mine gas blast in north China's Inner Mongolia Autonomous Region on Thursday, local authorities announced on Sunday.
By 11 a.m. on Sunday, rescue work had been concluded as all six trapped persons were found dead in the Yanggeleng mining area in Baotou City, said the rescue headquarters.
The accident occurred around 2 a.m. on Thursday in the illegal mine.
A total of eight people were working at the site when the accident happened.
One escaped without injuries, with rescuers pulling out another injured miner and sending him to a nearby hospital.
Local police have started investigating the case. People related to the illegal mining are under police custody.
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