EghtesadOnline: Former U.S. Energy Secretary Ernest Moniz, commenting on North Korea’s claim that it had tested a hydrogen bomb, said the risk of nuclear weapon use in the world is greater than in a “very, very long time,’ arguably in more than a half century.

EghtesadOnline: Hours after North Korea said it successfully tested a hydrogen bomb, President Donald Trump mused about new sanctions that would mean cutting off trade with China while his defense chief talked of military options. Neither is likely to happen.

EghtesadOnline: President Donald Trump threatened to increase economic sanctions and halt trade with any nation doing business with North Korea, and his defense chief said the U.S. has “many military options” after the regime said it successfully tested a hydrogen bomb with “unprecedentedly big power.”

EghtesadOnline: Russia condemned North Korea’s test of a hydrogen bomb on Sunday, but said it was premature to discuss any new sanctions against the isolated country.

EghtesadOnline: North Korea claims that it now has a more-developed hydrogen nuclear weapon that can be mounted on a new intercontinental ballistic missile.

EghtesadOnline: North Korea detonated its sixth and most powerful nuclear test on Sunday, Japan and South Korea said, hours after Pyongyang said it had developed an advanced hydrogen bomb that possesses “great destructive power”.