HANGZHOU, March 13  -- Four people were killed and three injured on Friday in a three-vehicle collision in east China's Zhejiang Province, local traffic police said.

The pile-up, which involved a van, a truck and a car, occurred at 3:36 a.m. on an expressway linking Shanghai with Hangzhou City in Zhejiang, leaving four people dead and three injured, according to police in Jiaxing City in Zhejiang.

Witnesses said the van crashed into the car and the truck, which were both stationary.

The exact cause of the accident is under investigation. Enditem