South Korean officials predicted that such a missile test was almost certain to happen soon
North Korea is sitting on approximately $6 trillion worth of natural resources: Sources
The two leaders spoke over phone to discuss the North Korean actions
The emergency response was set at "level 2", the second- highest grade on a four-tier system
North Korea last carried out a nuclear test in September 2016
The test came just days after senior US officials praised North Korea and leader Kim Jong Un
Trump is taking a page out of Kim's playbook: He's drumming up fear
China had pledged to fully enforce the latest sanctions against North Korea
Earlier this week, North Korea threatened to strike the United States
North is too often misunderstood as an unpredictable rogue state led by a dynasty of mad dictators
Threat comes days after the US Security Council imposed fresh sanctions on Pyongyang
North Korea was the main concern cited as Japan's Cabinet approved the report
A resolution needs nine votes in favour, and no vetoes by the Us, China, Russia, France or Britain
US, China can have productive relationship if two countries can work together on North Korea issue
To launch another intercontinental ballistic missile or intermediate range missile test
N Korea accused Japan of staging combat drills to capture islets by mobilising self-defence forces
Surface-to-ship cruise missile was designed to hit enemy group of battleships
It is under multiple sets of United Nations sanctions over its nuclear and missile programmes
Trump recently has said he would be honoured to meet the North's leader, Kim Jong Un
Reclusive North Korea warned this week that US hostility brought the region to brink of nuclear war