Update: Troopers investigate fatal shooting of 12-year-old girl

Alaska State Troopers are investigating the death of a 12-year-old girl who was fatally shot at a birthday party on Saturday.

Troopers have identified the girl as Marina Rybak.

The incident occurred in Delta Junction during a birthday party when a 6-year-old boy shot the girl with a pellet gun.

The boy reportedly got the gun from another child at the birthday party and claimed he didn't know the gun was loaded.

He was carrying the gun back to the house when it went off; immediately after the children ran inside to alert  Rybak's mother.

Rybak was taken to Fairbanks Memorial Hospital where she later died.