A rescue worker is seen at the scene in Wenzhou, East China's Zhejiang province, July 24, 2011 after two bullet trains crashed on the evening of July 23. [Photo/Xinhua]

HANGZHOU - A total of 21 trains were suspended after a train collision and derailing in east China's Zhejiang province killed at least 33 people and injured 190 others, sources with the railway station in the provincial capital Hangzhou said Sunday morning.

Four bullet trains heading to southeastern Fujian Province from Hangzhou Railway Station were ordered to suspend operation while 14 others starting from the South Hangzhou Station were suspended too, according to the railway authorities.

At least 33 people were killed and 190 others injured in the train crash and derailing accident Saturday night.

The accident occurred at 8:27 pm Saturday at the section of Shuangyu Town in Wenzhou City, when high-speed train D301 rear-ended bullet train D3115, which was allegedly hit by lightning and lost drive.

Four coaches of D301 fell off the viaduct while two coaches of D3115 were derailed.

There are about 30 bullet trains that head to Wenzhou passing through Hangzhou every day.

Railway authorities are arranging ticket refunding for affected passengers.