nuclear weapon
Nuclear terrorist attack would 'change our world', says Obama
President Barack Obama tells a nuclear summit in the US that the threat of a nuclear terrorist attack persists and the world must be resolute in foiling it. More than 50 nations were represented at the summit.
South Korea says North fired missile
North Korea fires another short-range missile off its east coast on Friday, South Korean officials said, as regional leaders met in Washington to discuss the threat of Pyongyang's nuclear weapons programme.
Russia 'to boost nuclear arsenal'
President Vladimir Putin says Russia will add more than 40 intercontinental ballistic missiles to its nuclear arsenal in 2015.
Iran nuclear talks: Obama hails 'historic' agreement
US President Obama hails a deal restricting Iran's nuclear programme as a "historic understanding" which, if implemented, will make world safer.
Nuclear terrorist attack would 'change our world', says Obama
President Barack Obama tells a nuclear summit in the US that the threat of a nuclear terrorist attack persists and the world must be resolute in foiling it. More than 50 nations were represented at the summit.
South Korea says North fired missile
North Korea fires another short-range missile off its east coast on Friday, South Korean officials said, as regional leaders met in Washington to discuss the threat of Pyongyang's nuclear weapons programme.
Russia 'to boost nuclear arsenal'
President Vladimir Putin says Russia will add more than 40 intercontinental ballistic missiles to its nuclear arsenal in 2015.
Iran nuclear talks: Obama hails 'historic' agreement
US President Obama hails a deal restricting Iran's nuclear programme as a "historic understanding" which, if implemented, will make world safer.