One killed, 10 injured in St. Louis downtown shooting at teen party.

A shooting at a party in a downtown St. Louis office building left one teen dead and nine others injured. The shooting occurred during a night of partying that turned violent. The victims ranged in age from 15 to 19 years old, and police have arrested one 17-year-old suspect. The incident highlights ongoing issues with out-of-control parties and violence in the downtown district. The party had been advertised on social media, and attendees had to direct-message the organizers to gain access to the building.