Four young men, aged between 17 and 19, have been arrested in Oslo after police confirmed that a shot was fired with a live weapon in a public area. The incident, which occurred in the Trasop neighborhood of Østensjø, was reported at approximately 8:52 PM, but details regarding the use of a firearm were only confirmed later at 11:13 PM. Gabriel Langfeldt, the operations leader for the Oslo police district, communicated that there are no known injuries from this event.