China tunnel blast injures 12, traps 12

A picture shows the accident site. A blast ripped through a railway tunnel under construction in Guizhou Province Tuesday, May 2, 2017. [Photo: gz.people.com.cn]

A blast ripped through a railway tunnel under construction in Guizhou Province   Tuesday, leaving 12 people injured and 12 others trapped, local authorities   said.
The accident happened around 2:50 p.m. in the Liulong Township of   Dafang County, a spokesman with the county government said.
A gas   explosion is suspected as the Qishanyan Tunnel is designed to pass through a   coal seam, the spokesman said.
The injured have been rushed to   hospital.
Rescue work has been suspended because of high carbon monoxide   density at the site.
The cause of the accident is being investigated.