A bullet train in China's eastern province of Zhejiang derailed late on Saturday with two carriages falling off a bridge, the official Xinhua news agency quoted local fire department sources as saying.No details on the casualties were immediately available.

The train was travelling from the provincial capital Hangzhou to the city of Wenzhou and derailed at the section of Shuangyu Town in Wenzhou at 8:34 p.m. (1234 GMT), said fire fighters from Wenzhou.

Rescue teams were on their way to the scene, Xinhua said.

Reuters