HANGZHOU - A school bus collision has left 18 high school students injured in Hangzhou, capital of Zhejiang province on Monday, according to sources with the city education bureau.

The school bus, with 18 students on board, collided with a bus at an intersection and overturned.

All the students were sent to nearby hospitals with no life-threatening injuries reported.

Parents had rented the school bus to take the students to school, according to authorities, and a complete investigation into the accident is under way.

The Hangzhou education bureau has ordered safety checks for all school buses in the city.

Statistics indicate that of the 285,000 school buses in China only 10 percent conform to a set of technical standards for school buses that the government issued last year.