The investigation into the deadly crash and what the driver did moments before losing control of the vehicle.
A bus that veered off a bridge in India and plunged into a river killed at least 32 people and injured several others.
Officials say the bus driver was speeding and was trying to pass another vehicle when it rammed through the bridge railing and went into the water.
Police are investigating what caused the driver to lose control of the bus.
It is not clear if the driver survived or exactly how many people were on board the bus when the crash occurred.
Authorities say India has the world's highest road accident death toll with more than 100,000 people dying each year in crashes.