The person is detained in another case, but is also suspected of the murder in Mälarhöjden, according to the radio.
Several children and young people were at the sports field when the shooting occurred on the evening of September 27 last year. The police received a number of calls about shots fired and when they arrived they found the man who had been shot, who died at the scene.
Jeff King, athletic director, was on the field when they heard the shots in the fatal shooting at Mälarhöjdens IP. Hear him about the event: