11.   It was his first lap on a new front tyre.

12.   Later, it appeared that the front right tyre had burst, sending the bus out of control.

13.   Police said the bus burst a front tyre, veered off the road and overturned after it hit a tree in the accident Monday.

14.   The crowded bus, had a problem with a front tyre, and flipped over on its side, detective sergeant Dave Wilson said.