Two men argued with each other in a staircase in Gränby. One of the men had a sharp object in his hand and injured the other man.
The matter showed after talks with the victim that it would be a robbery, the counter-attack case. At the time of reporting, something unclear what the victim would be robbed of.
The damage to the victim was not severe.
The perpetrator was arrested after contact with the prosecutor in the morning hours.