Innsbruck-A 29-year-old was arrested in Innsbruck on Sunday due to suspected murder. The man is said to have rammed a knife in the back of a 24-year-old on Sunday night on Sunday and seriously injured him, the police confirmed an online report of the Tyrolean daily newspaper. The attack was seen on a video recording, but the arrested person has so far. Nothing is known about a motif or a dispute.