Three people were killed and three others remained missing following a coal mine accident in Weixin County, southwest China’s Yunnan Province, local authorities confirmed on Sunday.

The accident, which took place at around 5:40 a.m. on Sunday at a coal mine in Santao Township, is suspected to involve a coal and gas outburst, according to the county’s emergency management department.

Rescue operations are currently underway at the site.

Source: Qatar News Agency