A young man was critically injured in a knife attack in Saarland. The perpetrator is on the run.

A 21-year-old man was critically injured in a knife attack on a regional train in Saarland on Monday evening. The perpetrator is on the run, police said. The attack occurred shortly before the train stopped at Saarbr├╝cken main station. The perpetrator fled from the train when it stopped.

It is still unclear why the attack occurred. The man suddenly stabbed the 21-year-old with a knife, injuring him in the neck, police said. The federal and state police are conducting a manhunt at full speed.