N Korea and S Korea exchange threats over DMZ blast

N Korea and S Korea exchange threats over DMZ blast

A landmine explosion which injured three South Korean soldiers in the Korean Demilitarized Zone last week, has prompted Seoul to accuse North Korea of deliberately planting mines south of the Military Demarcation Line. Pyongyang denies the allegations and has threatened to retaliate. Al Jazeera’s Jack Barton reports from the DMZ.