BEIJING — The Work Safety Committee of China's State Council has supervised the investigation into a coal mine accident in Southwest China's Guizhou province, the Ministry of Emergency Management told a press conference on March 14.

The accident took place at about 8:40 am on Feb 25 due to the collapse of a mine shaft roof at Sanhe Shunxun coal mine in Zhenfeng county, Bouyei-Miao autonomous prefecture of Qianxinan, according to local authorities.

Rescue work concluded on March 6, as 14 trapped people were confirmed dead and their bodies were retrieved.