Oslo police issued a warning Thursday night after hundreds of young people gathered near Mosseveien, a major traffic artery in the city center. The alert was prompted by concerns regarding public safety, specifically related to intoxicated youths. Authorities intervened due to the potential danger posed by a large group congregating near moving traffic. The number of youths present was significant, prompting police to publicly address the situation. No further details about incidents or arrests were immediately available. Police continue to monitor the area for similar gatherings.