Four of the victims are in critical condition. The police say they believe a 39-year-old woman carried out the attack, for which no motive has yet been given.

A woman allegedly stabbed 17 people in a knife attack at Central Station in Hamburg, Germany, on Friday, May 23. The woman had given herself up to the police without resistance, and an investigation into the incident is ongoing.

A knife attack at the central railway station in Hamburg, Germany, left 12 people injured on Friday, six of them in critical condition, according to local authorities. The assault occurred at one of the country's busiest transit hubs,