8-year-old boy uses his mother's boyfriend's gun to accidentally shoots sister dead

An eight-year-old boy has shot his five-year-old sister to death after they were left home alone with their mother's boyfriend's gun. The mother left them to go to the store when the little boy picked up the gun and fired a single shot at his sister, Serenity Allen, who died instantly.

The police has arrested their mother's boyfriend, Maurice Mobley, 34, after he turned himself in.

Maurice who already has a criminal record as a sex offender has being charged with possession of a firearm by a convicted felon.