Children discover a lifeless young woman in the schoolyard. On the same day, a 17-year-old youth is arrested.

Autopsy shows signs of a violent death by strangulation. Classes at the elementary school in Recklinghausen were canceled on Monday. The investigation into the motive of the crime and evaluations of the traces continued on Monday evening. The 17- year-old Recklinghäuser would have known the victim, police say.. The blue light of a police vehicle is on.