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,

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

The suspect, a 39-year-old woman, is suspected of going on a stabbing spree at Hamburg’s main station on Friday, shocking the northern metropolis during peak evening rush hour