A person was robbed of their mobile phone, the public intervened.
Police alarm sounded on centralvägen in Knivsta due to a person being robbed of their mobile phone.
The public should, in connection with this, have intervened in the incident and ensured that the victim got back what was taken.
Thanks to good descriptions, the police manage to locate the suspected perpetrator in the surrounding area. A person, a 20-year-old man, is apprehended and taken in for questioning.
No person is said to have suffered physical harm in connection with the incident.