Defense chief publicly executed by North Korean

The Defense minister of North Korea was publicly executed by North Korea after he was accused of treason by the regime .

Hyon Yong Chol was publicly executed in a military school in front of hundreds of people by an anti-craft gun
Hyon was killed because he expressed discontent towards the leader Kim Jong Un, refusing to follow orders given on several occasion .
The timing of Hyon's death is unclear. Report suggest that he was killed around April 30 . Hyon was said to have been killed with out trial within two to three days . No single incident was said to have led to Hyon's arrest  and execution.