Dozens of people were left injured after a bus collided with a truck in the state of Baden-Württemberg in southwest Germany on Friday, local media reported.

Public broadcaster SWR reported that some 27 people had been injured, some of them seriously.

Police said the majority of the injured were young people.

What do we know so far?

The collision occurred around 7 a.m. (0600 UTC) in the town of Biberach after the bus driver crossed into the opposite lane.

The bus then crashed head-on with a truck. Police said the reasons for the bus driver's manouver were still unclear.

The driver was seriously injured and rescuers had to cut him out of the vehicle before he could be taken to hospital for treatment.

A helicopter was deployed to transport the drivers of both vehicles to clinics.

The young people who suffered minor injuries were also taken to hospital.

Local police closed off the road were the incident occurred but set up a care center for relatives in a nearby supermarket car park.