VIDEO: Police have confirmed that children who were unaccounted for after a deadly shooting spree and house fire on Sunday, July 18, have been located and are safe. Police did not say how many children they were looking for and have not yet provided additional information about the circumstances of how they were found. At least two people were killed Sunday, and several more were injured in the shootings and the house fire. Tucson police Chief Chris Magnus said on Sunday the incidents began with a call about a house fire near South Campbell Avenue and East Irene Vista at 3:45 p.m. At the same time, an armed suspect went to the Quincie Douglas Center at Silverlake Park and approached an ambulance that was in the area for a separate call, but staging as a backup for the house fire.