At approximately 10 a.m. on Wednesday, a total of eight workers were trapped during an air shaft sealing operation in the coal mine in the Wutongqiao District of the city of Leshan in Sichuan, Xinhua reported.
Search and rescue efforts had confirmed the deaths of seven people as of 2 p.m. on Wednesday.
Search and rescue operations continue with one person still missing.
The cause of the accident is still being investigated.
SD/