A teenager killed in a mass shooting at his sister's birthday party died in her arms after heroically risking his life to save hers.
Four people are confirmed to have died following the shooting on Saturday night at a dance studio in the small city of Dadeville, Alabama. A further 32 people were injured.
One of the victims has been named as high school football star Phil Dowdell, the brother of birthday girl Alexis Dowdell.
