CHANGSHA, June 23 (Xinhua) -- Six men were trapped underground after being overwhelmed by a coal gas leak in central China' s Hunan Province Wednesday. Three of the men remain missing, a government spokesman said.
Rescuers have confirmed that three of the trapped miners are alive as rescue crews had contacted them with underground communication systems, according to a spokesman from Jiahe County Government.h The trapped workers were gas inspectors and repairmen, the spokesman said.
The accident took plane at noon Wednesday in a 30-meter-deep shaft at the Tianxin Mining Company located in Jiahe County of Hunan Province, which is a legal mining company owned by the local township.
A tunnel to reach the trapped men has been completed and the rescue work is continuing.
The cause of the accident is under investigation.