US bombers fly off the coast of North Korea after 3.5 tremor detected near the country's nuclear test site. Also in the programme: Newshour in Germany on the eve of its elections; and Massive protests against President Macron's labour law in France. (Photo: US Air Force B-1B Lancer receiving fuel. Credit: AFP/Getty Images)
Iranian state TV has shown the launch of the new medium range Khorramshar ballistic missile - just days after President Trump lambasted Iran at the UN General Assembly. Also in the programme: Could an earthquake in North Korea indicate a fresh weapons test? And the Royal Shakespeare Company sells off thousands of costumes. Photo: A Khorramshahr missile in a military parade in Iran. Credit: Getty Images
As the war or words between Kim Jong-un and Donald Trump escalates, the North Korean foreign minister, Ri Yong-ho, has suggested that Pyongyang is considering the 'strongest hydrogen bomb test in the Pacific'. We ask Professor Vipin Narang, and expert in nuclear proliferation and strategy at the MIT, how seriously we should take North Korea's H-bomb threat?Also in the programme: How Germany's response to the refugee crisis is playing into their election; Uber banned from London(Photo shows: The North Korean leader Kim Jong-un responding to US President Donald Trump's statement at the UN. Credit: Reuters/KCNA)
In an unprecedented personal statement, the North Korean leader said President Trump would 'pay dearly' for a UN speech where he threatened to 'totally destroy' the North if the US was forced to defend itself. Mr Trump responded that the 'madman... will be tested like never before'. But how likely is tough action following this tough talk? Also on the programme: reaction to ride-hailing app Uber losing its licence to operate in London, and Prime Minister May sets out the UK's Brexit priorities in a long-awaited speech in Florence.Photo: A man watches a television news programme showing US President Donald Trump and North Korean leader Kim Jong-Un. Credit: Jung-Yeon-Je/AFP/Getty Images.
President Trump has signed an executive order which authorises the US treasury to penalise any individuals or institutions in America doing business with North Korea. Meanwhile China has also instructed its banks to stop dealing with Pyongyang.Also in the programme: Rescue efforts continue in central Mexico after a devastating earthquake. And we preview this weekend's German election from Dusseldorf.(Photo: South Korea's President Moon Jae-in and US President Donald Trump at the UN General Assembly in New York. Credit: Brendan Smialowski/AFP/Getty Images)
Rescuers are racing against the clock to reach survivors trapped under the rubble of a school in Mexico City, which collapsed during Tuesday's earthquake.So far 230 people are known to have died, with at least 21 children and five adults killed under the collapsed primary school.Also in the programme: the role inequality is playing in German election campaigns; and Serbia's openly gay Prime Minister has become the first head of government in a Balkan country to take part in a gay pride march.Photo: Rescuers search for survivors amid the rubble from a building flattened by the 7.1-magnitude in Mexico City. Credit: Ronaldo Schemidt/AFP/Getty Images)
The latest on the recovery efforts in Mexico after Tuesday's earthquake: At least 21 children and five adults have died at a primary school which collapsed in Mexico City. Also on the programme: Puerto Rico feels the full force of Hurricane Maria; and celebration in Iraqi Kurdistan, ahead of next Monday's ballot on whether to break with Baghdad.(Photo: Soldiers search for survivors in a flattened building in Mexico City. Credit: Getty)
Huge earthquake struck central Mexico, killing more than 200 people and toppling dozens of buildings, with death toll rising. Also in the programme: Hurricane Maria makes landfall in Puerto Rico; and Rohingyas who stay behind in Myanmar.(Photo: A rescuers pulls a dog out of the rubble during the search for survivors in Mexico City. Credit: AFP/Getty Images)
President Trump has urged the world community to confront those he called the wicked few. He told the UN that nations must stand up to North Korea, Iran and extreme Islamist groups such as IS.Also in the programme: A former Burmese colonel gives his view of the situation in Myanmar; and the invention of robotic muscle.(Photo: President Trump addresses the 72nd United Nations General Assembly. Credit: Lucas Jackson/Reuters)
President Trump says the United Nations should be better value for money and have clearer objectives for its missions.Also on the programme: Why South Africa is taking the international accountancy firm KPMG to court; and the British man who cycled the world in 79 days.(Photo:US Ambassador to the UN Nikki Haley and President Trump. Credit: Kevin Lamarque/ Reuters)
President Trump will press his case for reform of the United Nations when he makes his first address at its headquarters in New York. In December last year, Donald Trump tweeted that the UN was 'just a club for people' to 'have a good time' and soon after said it caused problems rather than solving them. Also in the programme; how North Korea's nuclear ambitions are impacting on Japan's commitment to its pacifist constitution and; Nobel prize-winning writer Orhan Pamuk, on myths, identity and the complex struggle for meaning, at the heart of modern day Turkey.Photo: US Ambassador to the UN Nikki Haley smiles while US President Donald Trump speaks before a working lunch with UN Security Council member nations, April 2017. Credit: Brendan Smialowski/AFP/Getty Images.