A woman has been arrested after 17 people were injured in a knife attack in Hamburg on Friday.

A German police spokesman confirmed that officers had arrested a 39-year-old woman in connection with the attack, which happened at Hamburg Central station, and are not seeking other suspects.

Footage posted on social media showed a caucasian woman, wearing a hoodie and tracksuit bottoms, being arrested and led away from the scene by police.

According to Hamburg’s fire brigade, three people sustained life-threatening injuries and three others were seriously hurt. Six suffered minor injuries.

The attack happened during evening rush hour, at around 6.05pm local time, in between platforms 13 and 14 at the railway station.

German media reported that bloodstains could be seen on the ground and that some victims were given medical treatment on trains. Photographs showed one man being treated on the platform, while another showed a man being taken away on a stretcher.

Traffic at the station had been suspended on Friday evening, with a cordon set up around the scene of the attack.