At least six people were killed and eight others injured after a coach collided head on with a truck Tuesday in northwest China's Shaanxi Province, local traffic police said.

The accident took place at 1:40 PM on No. 210 national highway in Yulin City when the 31-seat passenger bus, with 15 aboard, bumped into a truck.

Two people died on the spot and four died in a local hospital. The eight injured are hospitalized.

Investigators are still trying to find out the causes of the accident.

(Xinhua News Agency June 13, 2007)