A knife attack at a train station in the German city of Hamburg on Friday evening injured 18 people, German newspaper Bild reported, and local police confirmed they had arrested a suspect, Reuters reports.
Four victims are in critical condition and six are seriously injured, Bild reported, stating that the motive for the attack is unclear.
Police said the suspect is a 39-year-old woman who allowed herself to be arrested without resistance.
"So far, we have no evidence that the woman could have acted with political motivation. We have findings based on which we are now specifically investigating whether she may have been in a state of psychological stress," said Hamburg police spokesman Florian Abenset.
German Chancellor Friedrich Merz said in a post on the social network X that the news from Hamburg was "shocking".
"My thoughts are with the victims and their families," he said.
According to initial reports, there were 12 injured.
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