At least four passengers were killed and more than 30 injured in a train derailment in northwest China's Xinjiang Uygur Autonomous Region early Wednesday, rescuers said.

According to sources with the Urumqi Railway Bureau, 11 cars of Train No. 5806 were derailed by a strong wind around 2:00 AM, soon after leaving the Turpan station. The derailment disrupted operations of the Southern Xinjiang Railway. The train runs between Urumqi and Aksu.

A rescue team is working at the scene.

The wreckage of a carriage is seen near the track following the train's turnover caused by sand storm in Turpan, northwest China's Xinjiang Uygur Autonomous Region, February 28, 2007.
 

A train gets stranded following the turnover caused by sand storm in Turpan, northwest China's Xinjiang Uygur Autonomous Region, February 28, 2007.
 

Passengers rest in a toll station following the train's turnover caused by sand storm in Turpan, northwest China's Xinjiang Uygur Autonomous Region, February 28, 2007.

The wreckage of a carriage is seen following the train's turnover caused by sand storm in Turpan, northwest China's Xinjiang Uygur Autonomous Region, February 28, 2007.

(Xinhua News Agency February 28, 2007)