Twelve people are reported to have been injured after a knife attack at Hamburg’s central train station.
Police said the assailant attacked people on the platform between tracks 13 and 14.
A “major operation” has been launched and a suspect was arrested, police said in a post on X.
The identity of the person detained has not been revealed.
Reports in Germany said the suspected attacker was a woman.
The fire service said six of the injured were in a life-threatening condition, three others were seriously hurt, and another three sustained minor injuries, news agency dpa reported.
Bild newspaper said the motive for the attack was so far unknown.
Hamburg is Germany’s second biggest city, with the train station being a hub for local, regional and long-distance trains.
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