It was passers-by who heard and saw that a number of people were fighting. They saw that at least one person was bleeding, says the police's press spokesperson Sara Andersson.
When the police arrived, there were three injured people at the scene. According to the initial information, it seems to be about stab or cut wounds.
A number of people had also left in a car.
Two of those found at the scene were taken to hospital by ambulance. Another three people went to hospital themselves, according to the police. The condition of those involved is not known.
The crime scene has been cordoned off. The incident is being investigated as attempted murder.