A chain collision killed two and injured 13 in southwest China's Guizhou Province on Monday, police said.

The accident occurred at around 10 a.m. when three trucks and a minibus collided on an expressway, linking the provincial capital Guiyang with Bijie City in the west of the province, police said.

Two died at the site, seven were seriously injured and six others slightly injured, rescuers said.

The injured had been sent to hospital and the traffic has been resumed, police said.

A further investigation into the cause of the accident is underway.

(Xinhua News Agency April 7, 2009)