One of the bus drivers has serious injuries as police try to work out what caused the driver to veer into oncoming traffic.
Nine British teenagers were injured after a 90-year-old man lost control of his car and crashed head on into their double-decker bus in Germany.
The vehicle struck the bus near the town of Voehrenbach in the country’s Black Forest region, police told the DPA news agency.
One of the bus drivers suffered serious injuries.
Police said it was not clear what caused the car driver, who also suffered serious injuries, to veer into oncoming traffic.
The teenagers’ injuries are described as minor.
The bus was carrying 73 students aged between 13 and 15.
An investigation is under way into the crash.