A neo-Nazi teenager who called himself the Angel of Death killed his grandfather and then stole his weapons and police car before embarking on a bloody shooting spree at a United States school, it emerged tonight.

A neo-Nazi teenager who called himself the Angel of Death went on a shooting rampage on a remote US Indian reservation yesterday, killing his grandparents and then seven people at his school, grinning and waving as he fired.

A “grinning and waving” high school pupil went on a shooting rampage on an Indian reservation, killing his grandparents at their home and then seven people at his Minnesota school.