A police operation is underway at Eriksdalsbadet on Södermalm in Stockholm.
– It is about a woman who was aggressive and threatening with a stabbing object, says Carina Skagerlind, police spokesperson.
One man is said to have received minor injuries. Now the police will speak to witnesses and ensure that no one else was hurt.
– It is unclear how the woman is doing, but she was arrested by the police immediately, says Skagerlind.
The crime scene has been cordoned off for technical examination.