4 miners trapped underground in a colliery have been confirmed dead

All four miners trapped underground by a gas explosion in a colliery in east China's Jiangxi Province have been confirmed dead, China's News Agency (Xinhua) reported.
Rescuers found a fourth body in Yongshan coal mine in Leping City, according to the city's mining bureau.
Over 800 tonnes of coal had blocked the access shaft.
An investigation into the incident is continuing.