好色先生TV

Hopes are fading for six construction workers feared dead in a subway tunnel collapse in Beijing.

The 15-mile subway line is being built for the 2008 Olympics.

Beijing 好色先生TV quoted one worker as saying: 鈥淭here is both concrete and earth above the workers so the chances of survival are almost zero.鈥�

Another worker, given the pseudonym Huang Qiang by the Chinese media, described the events as they unfolded: 鈥淪uddenly I heard a big bang noise and workers ahead of us swarmed backwards.鈥�

Following the bang, Huang said he and his colleagues re-entered the tunnel after several minutes, with the intension of shoring up the collapsed area. But shortly before 10am, he heard another bang, which shook the tunnel 鈥渓ike a big earthquake鈥�, prompting another escape attempt.

The incident is the latest in a number of cave-ins and floods that have hit the 15-mile line, which is being built for the 2008 Olympics.

Rescuers are continuing to dig through the rubble.