South Korea has resumed propaganda broadcasts across its border, a move that has infuriated North Korea in the past.
The young ruler may be struggling to assert his authority amid rising international scrutiny, particularly from China.
Chris Torrens, senior managing director at Control Risks, says the relationship between North Korea and China is not as strong as it was in the past.
Chris Torrens, senior managing director at Control Risks, argues North Korea's announcement that it has a hydrogen bomb was a domestic play to reassure its population.
China had warned Pyongyang against nuclear testing, but now it should apply further pressure on North Korea, says Andrew Gilholm, APAC head of analysis at Control Risks.
Experts will hunt for particles to test North Korea's claim it tested a hydrogen bomb, but drawing a conclusion could be tricky.
China's state-owned media have plenty of acerbic advice for ally North Korea over the reclusive state's nuclear test.
North Korea's nuclear capability is not useful to them as a weapon, but only as a threat, explains James Rooney, chairman of Advanced Capital Partners, HK.
Stocks are scratching around for an excuse to move higher, but bears may keep the pressure on ahead of Friday's jobs report.
News of Pyongyang's nuclear test didn't alarm South Koreans and markets did recovered most of their intraday losses, says Michael Na, Korea strategist at Nomura,
Barack Obama talked by phone with Japanese PM Shinzo Abe about the response to North Korea's nuclear test, the White House said.
“Mad Money” host Jim Cramer gave his opinion on the news of North Korea’s weapons test.
The key point is Kim Jung Un is pursuing nuclear capabilities which is very dangerous, notes Joseph Detrani, president of the Intelligence and National Security Alliance (INSA), and former ambassador to the DPRK.
Experts reckon that if North Korea really had a H-bomb, even an unsuccessful test would've created bigger seismic activity, reports NBC's Steve Handelsman.
Jim Cramer reminded investors that selling stocks is not the answer to problems with North Korea.
Rodger Baker, VP and director of analysis at Stratfor, discusses the timing of North Korea's nuclear test, which comes ahead of the ruling party's congress.
The North Korean government announced a successful test of a hydrogen bomb, but the bark may be bigger than the blast, some seismologists say.
Former Under Secretary of State Nicholas Burns weighs in on the significance of North Korea testing what it claims is a hydrogen bomb.
The U.S. and its Asia-Pacific allies will likely be drawn closer in the wake of North Korea's most recent nuclear test.
Former Special UN Ambassador Stuart Holliday explains China's unique position in dealing with North Korea after the country reportedly tested a hydrogen bomb.