Colorado shooting suspect ‘prone to rage and delusions’

Mourners outside the King Soopers grocery store (AP)

A 21-year-old man accused of killing 10 people at a Colorado supermarket was someone prone to rages who had once been suspended from high school for a sudden attack on a classmate, former associates said.

Ahmad Al Aliwi Alissa, who is from the Denver suburb of Arvada, has been charged with murder after the attack at a King Soopers grocery in Boulder. He is due to appear in court on Thursday.