Phoenix 3-year-old died from injuries sustained during an accidental shooting Monday afternoon.

Phoenix 3-year-old died from injuries sustained during an accidental shooting Monday afternoon.Authorities on the scene said they think the boy shot himself in the head.It's unclear at this point how the boy got a hold of the gun or who owns the weapon. The boy was visiting friends at a home near Interstate 17 and Greenway on Monday afternoon with his Mom and two brothers, according to police.He was rushed to St. Joseph's Hospital and Medical Center in downtown Phoenix where he was pronounced dead.Police blocked off a section of the neighborhood during the investigation.