Explainer: Shooting of black teenager Ralph Yarl in Kansas City

Ralph Yarl (Ben Crump Law via AP)

Black teenager Ralph Yarl was shot in the head and arm after going to the wrong house in Kansas City, Missouri, to pick up his younger brothers.

Andrew Lester, an 84-year-old white man, told police he fired at the 16-year-old honours student out of fear last week.