Aware of the rapid descent of the bus, the occupants and their guides were yelling in horror as they saw stationary motorbikes and their riders waiting at the traffic lights controlling a complicated intersection, under an over pass bridge carrying traffic to Bali Hai Pier.&nbsp;

Tragically the tour bus failed to stop in time and is reported to have run down the bike riders killing one who was caught under the bus.&nbsp;

To other riders were pushed out of the way by the force of the collision.&nbsp;

The two remain in hospital in Pattaya. As with other accidents involving oversized buses on steep hills, first reports blame brake failure for the uncontrolled descent of the tour bus.

Pratumnak bus brake failure down hill, kills 1

PATTAYA - One of the many tourist buses that now dominate the streets of Pattaya was unable to stop in time as it travelled down the steep road leading into the city from Pratumnak hill on Tuesday evening.