US
A single 150-kiloton weapon detonated over the island of Oahu would be expected to kill 18,000 people outright
Cuban and North Korean foreign ministers "expressed concern about the escalation of tensions" on the Korean peninsula
Last time a North Korean soldier had defected across the JSA was in 2007
China has pressed for dialogue, saying this week that "more should be done" to hold talks to resolve crisis
Pushes for diplomatic solution to crisis over Pyongyang's development of nuclear weapons
South Korea and the United States agreed to keep working for a peaceful end to the North Korean nuclear crisis
The reports suggests that they are also thought to be working on a solid-fuel missile for submarine launches
Singapore Customs sent the notice to traders and agents on Tuesday
China has pushed for diplomatic solution to North Korea crisis
Officials have said in state media the sanctions were causing a "colossal amount of damage" to ordinary North Koreans