Two people died on Saturday afternoon in an accident near Bräunlingen (Schwarzwald-Baar district).
Two more were seriously injured, the police said.
According to this, a man with his car went off the road in a left curve for an unexplained cause.
As a result, the car skidded over the road, overturned and hit the roof of the vehicle against a tree.
Bräunlingen - The driver and his co-driver died at the scene of the accident.
The other two passengers were seriously injured and brought to a hospital by rescue helicopter.
dpa