April 20, 22.00, Assault, severe, Stockholm

Noise is heard from an apartment in a social housing on Södermalm and shortly thereafter a bloody man is seen leaving the building and walking along the street.
The man is found by police and taken to hospital. 
The injuries are sharp injuries but the man is awake and able to speak, and not life-threateningly injured. 
The man has left bloodstains behind him to the apartment he left but when police enter the apartment it is empty of people. 
No person has been arrested so far.