The latest updates as North Korea tests nuclear warhead with massive explosion
Report comes after series of weapons tests by Kim Jong-un's forces
The system is reportedly thought to be capable of firing missiles at targets over 90 miles away
A foreign policy expert giving Trump a national security briefing has been disturbed that ‘three times he asked about the use of nuclear weapons’ in the hour they were together. One of the questions was ‘if we have them, why can’t we use them?’
Democratic candidate criticises rival over economic record and unreliability in crisis situations
Michael Heseltine informed Ms Thatcher there would be four infantry battalions on standby in case of any trouble from the demonstrators
A new Prime Minister’s first statement to the house still counts as a quiet day in these rarefied times. And as she quietly assured her peers that, yes, she would be happy to kill hundreds of thousands of people, the old Prime Minister up on the back benches offered little more than a half-interested blink.
Parliament is due to vote on whether to renew the UK's nuclear submarines
UN condemns ballistic missile tests as 'brazen and irresponsible'
International think-tank on proliferation warns that a possible ‘dirty-bomb’ attack on a Western capital is ‘high’
There are around 15,850 nuclear warheads in the world, spread between nine nations
He is the first serving US President to visit the Japanese city
The reported discovery follows claims two of the Brussels bombers had filmed a Belgian nuclear official
Barack Obama has warned that the prospect of Isis or other terrorists getting hold of a nuclear bomb is among the most serious threats faced by the world.
The summit met to discuss the threat of terrorist groups obtaining nuclear weapons
Trump says he won't 'take any cards off the table'