AP Top News at 4:26 p.m. EDT

Police arrested a 15-year-old after a festival shooting that killed 3 near Seattle's Space NeedleSEATTLE (AP) — A suspect arrested after a shootout that killed three people and left at least four others injured at a crowded food festival near Seattle’s Space Needle over the weekend is 15 years old, the city’s mayor said Monday. The teen was being held in juvenile detention for investigation of firearms violations and first-degree assault and was due to appear in court Monday afternoon, Mayor Katie Wilson said at a news conference. Authorities said Monday they are still looking for a second suspect, but could not rule out whether that individual was among those killed. “We are trying to identify who that person is,” said Seattle Police Chief Shon Barnes.Mediators see progress in efforts to