The police were alerted shortly after 19:00 about an injured person in Växjö.
When the police arrived at the scene, they found two people with gunshot wounds.
– It is a man and a woman in their 30s, the woman is seriously injured, says Sara Andersson, press spokesperson at the police.
The two injured people were taken to hospital by ambulance.
– We receive it as if one person is injured, when we get to the scene it turns out to be two, says Sara Andersson.
The police are now working to create a picture of what happened.
– It has happened indoors, it is unclear whether it is in a stairwell or inside the home, says Sara Andersson.
The place has been cordoned off, police technicians have been called in and door knocking has also started in the area to find any witnesses.