Man, 31, fatally injured in a violent argument at Dortmund harbor. Two children and two teenagers are considered suspects.

Four people fled, but were temporarily arrested a few minutes later. The possible murder knife was tracked down by a police dog near the crime scene. The two children had already been released from police custody after their hearings, investigators said on Friday.. According to the information, the two young people are being represented by a lawyer and should be questioned later in the day. A murder squad was set up.