Knife attack: second injured person dies. Four suspects are being investigated for jointly committed murder.

The main suspect is a 15-year-old German-Turk from Gelsenkirchen who fled after the crime on February 10th and was arrested at his home the following morning. According to the investigation, he is said to have stabbed the victim and killed her. The young man was taken to the intensive care unit after the. crime. He died on Tuesday, said a police spokesman in Essen.