North Korean state media reports successful hydrogen bomb test

SEOUL, South Korea (AP) — North Korea says it has conducted a hydrogen bomb test. The surprise announcement that complicates already difficult efforts to curb the country’s push for a working nuclear arsenal.
The North said Wednesday in a broadcast that the test was successful. A hydrogen bomb is generally more powerful than a nuclear bomb.
North Korea has long pushed for an arsenal of warheads that can be mounted on a missile capable of reaching mainland America&rsquo