On 17 September at 13:20, police and an ambulance were called to the E4 motorway at the Sörentorp interchange in Solna, on the road direction towards Stockholm, following a traffic accident. The incident was reported by Swedish Police. Emergency services responded at the location, where the callout involved both police and ambulance personnel. No further details about injuries, the number of vehicles, or the cause of the collision were included in the information provided.