Possible survivors in tunnel collapse

Rescuers have heard possible signs of life 36 hours after 12 workers were trapped when a railway tunnel in Jilin province collapsed in the early hours of Wednesday, China Central Television (CCTV) reported on Thursday.

On Thursday afternoon, the rescuers installed a special pipe with the aim of sending supplies for any surviving workers.

CCTV said on a micro-blogging site that rescuers had heard noise that sounded like tapping on the supply pipe.

The accident happened in a tunnel of the Jilin-Hunchun High-Speed Railway, located in Hunchun city.

Photo taken on April 2, 2014 shows the entrance of a collapsed railway tunnel in Hunchun, northeast China's Jilin Province. A tunnel of the Jilin-Hunchun High-Speed Railway, which is under construction, collapsed at around 2:00 am Wednesday, leaving 12 workers trapped. Rescuers have arrived at the collapse scene as the cause of the accident is being investigated. [Photo/Xinhua] More photos