North Korea says knife attack on U.S. ambassador was 'justice'

U.S. Ambassador to South Korea Mark Lippert, front right, leaves a lecture hall for a hospital in Seoul, South Korea, Thursday, March 5, 2015, after being attacked by a man.

North Korea called the bloody knife attack on U.S. Ambassador Mark Lippert in Seoul on Thursday "justice" for joint military drills.

An official report from state-run news organization KCNA stated the attack with a "