The police said they believed the violence, which injured 18 people during Friday’s evening rush hour, was not politically motivated.

The suspect in the recent knife attack at Hamburg's central train station was released from a psychiatric hospital on the day prior to the stabbing, officials said on Sunday. The 39-year-old woman had been treated in a psychiatric institution in the northern German city of Cuxhaven for three weeks after she was found in a state of helplessness in early May,