Here's a Timeline of North Korea’s Nuclear Weapons Program
02:12
North Korea’s state media has claimed the country has developed a "more developed" nuclear weapon called a hydrogen bomb, and successfully detonated its sixth and largest nuclear test.April 5, 2017
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North Korean underwater drone can trigger radioactive tsunami, state media say
01:11
Tensions ramp up as North Korea test-launches multiple cruise missiles
05:03
North Korea fires missiles as U.S., South Korea military drills end
03:16
North Korean video shows ICBM launched to 'strike fear'
01:06
North Korea tests sub-fired missile amid U.S.-South Korea joint military exercises
02:38
Japan calls for emergency U.N. meeting after latest North Korea missile launches