Police responded to reports of a large fight at Strømmen Station involving up to 20 individuals. Authorities have currently secured ten people believed to be involved, representing two opposing groups. A knife was also recovered at the scene. Some individuals involved sustained visible injuries, including cuts and bruises, and are being assessed by paramedics. Police are investigating the incident, stating it does not appear to be random. The cause of the brawl and the relationships between those involved are currently under investigation by Øst politidistrikt. Authorities are working to determine the events leading up to the confrontation.