SEATTLE (AP) — The 15-year-old arrested after a shootout at a food festival near Seattle’s Space Needle over the weekend was armed with a ghost gun with an extended magazine, police said Tuesday. The festival shooting killed 3 people and injured 4, including a toddlerThe shooting in the waning hours of the three-day Bite of Seattle festival left three people dead, including a 19-year-old gunman, and at least four people injured, including a toddler. It’s unclear if the injury was related to the festival shooting or whether the person might have been involved in it, but Barnes asked for the person to come forward and speak with investigators. The weapon the 15-year-old had been shooting when he surrendered to police was equipped with an extended 33-round magazine, Barnes said. He died from a gunshot wound to his torso, while Whitehead died from a gunshot to her pelvis and Semo died from multiple gunshot wounds, according to the medical examiner’s office.