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Now playing Next Korea "The strongest warning to North Korea" - Seoul welcomes US support The new US Defence Secretary has warned North Korea there will be an "effective and overwhelming" response if it chooses to use a nuclear weapon. Speaking at the start of a two-day visit to South Kore 03/02/2017
Now playing Next Korea North Korea faces ''overwhelming'' response if it uses nuclear weapons, warns US defence chief Mattis Donald Trump’s defence secretary has warned North Korea that it will face an “effective and overwhelming” response if it choses to use a nuclear weapon. 03/02/2017
Now playing Next Iran Iran tests medium-range ballistic missile The Iranian government has carried out a medium range missile test launch. 31/01/2017
Now playing Next Pakistan Pakistan fires first nuclear cruise missile from submarine Pakistan has fired its first submarine launched cruise missile. 10/01/2017
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Now playing Next USA ''Let it be an arms race'', says President-elect Donald Trump Donald Trump has reportedly said ‘‘let it be an arms race,’‘ the day after he called for the US to strengthen and expand its nuclear capability. 23/12/2016
Now playing Next USA Trump and Putin call for stronger nuclear forces Donald Trump has called for the US to greatly strengthen and expand its nuclear weapons capability. 22/12/2016
Now playing Next North Korea Show of force: US B-1 bombers fly over South Korea after North's nuclear test Two US B-1 bombers have flown over South Korea. 13/09/2016
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Now playing Next North Korea US may impose unilateral sanctions on North Korea The US Special Representative to Pyongyang made the statement after meeting Japanese foreign ministry officials in Tokyo. 11/09/2016
Now playing Next USA UN seeks new sanctions on North Korea after nuclear test The United Nations has strongly condemned North Korea’s fifth and most powerful nuclear test to date, agreeing immediately to draw up significant new sanctions. 10/09/2016
Now playing Next North Korea 'The stakes are high': what's the feeling in the US about the North Korean nuclear test? US President Barack Obama openly condemned North Korea’s latest nuclear test. 09/09/2016
Now playing Next North Korea International leaders condemn North Korea's latest nuclear test North Korea’s fifth and reportedly largest nuclear test has sparked outrage in leaders the world over. 09/09/2016
Now playing Next North Korea North Korea conducts its fifth and largest nuclear test Ttate television said the test elevated the country's nuclear arsenal and was part of its response to international sanctions following its earlier nuclear test and long-range rocket launch in January 09/09/2016
Now playing Next North Korea North Korea guilty of "maniacal recklessness" - Seoul International reaction to news of North Korea's suspected fifth nuclear test, the largest to date, has been swift and condemnatory. 09/09/2016
Now playing Next North Korea North Korea suspected of conducting fifth nuclear test North Korea is suspected of conducting its fifth nuclear bomb test after a huge seismic shock was detected near the country’s Punggye-Ri atomic site. 09/09/2016