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

Seattle's mayor says a 15-year-old has been arrested after a shootout that killed three people and left at least four others injured at a food festival near Seattle’s Space NeedleMediators have made progress in efforts to bring the United States and Iran back to negotiations and prevent an all-out war in the Middle EastFrench President Emmanuel Macron has urged fire crews to “stay strong” as they battle to bring a monster wildfire under control, warning that the fight will take timeHistoric wildfires in France and Spain have forced hundreds of thousands to flee their homesThere's a series of high-profile criminal cases with hearings this week that could prove pivotalA new platform from the progressive Democratic Socialists of America is sparking Republican attacksPresident Donald Trump say