A four-year-old boy accidentally shot himself in the head after he found his dad’s gun in the backseat of a car. Jarion Walker was sitting in the back seat with his two younger siblings, aged 22 months and 1 year, when tragedy struck in the city of Westwego near New Orleans, USA. His mum was in the front seat smoking weed with another adult when the boy picked up the gun, according to authorities. Jarion was rushed to a hospital and died of his injuries at around 10:45pm on Saturday, Jan 29. “It was a contact wound to the forehead, right above the right eyebrow,” said Coroner Gerry Cvitanovich…