Rottweil (dpa / lsw) - A 49-year-old driver crashed head-on into a tree near Rottweil and sustained fatal injuries. His 22-year-old passenger is in mortal danger, a police spokesman said on Wednesday. It was initially unclear why the 49-year-old lost control of the car in a left-hand bend on Tuesday evening. He drove through a bush and hit the tree. The man died at the scene of the accident and his passenger was taken to hospital with life-threatening injuries. Both were buckled. According to the police, there is no evidence that the driver had drunk alcohol or taken any other drugs.