'Enough is enough': US calls for strongest possible North Korea sanctions

North Korea nuclear test 'Begging for war' / US calls for UN to impose strongest possible measures UN ambassador Nikki Haley says 'enough is enough' after North Korea's sixth and largest nuclear test Korean crisis / South Korea holds live-fire drills and warns of more launches by North Seoul responds to North Korean nuclear test with show of force and additional deployment of US missile defence system sea prayer the Guardian VR Step inside the story headlines Immigration / Trump to end Daca 'Dreamers' program with six-month delay – reports President will end Obama program giving work permits to illegal immigrants, sources say, but Congress will now be given time to draft replacement law Elon Musk says AI could lead to third world war Houston / After Harvey, it's clear the secret of Houston's success has also been its downfall Science / Supermassive black hole discovered near heart of the Milky Way 'Preserve rule of law' / Obama's inauguration letter to Trump revealed Mafia / 'Cocaine king of Milan' arrested in Uruguay after 23 years on the run Advertisement spotlight Year of the woman / The Democrats inspired by Trump to run for office Those committed to electing Democratic women to office worried Hillary Clinton's loss would repel female candidates. But then the sun came up Jennifer Lawrence / Mother! and the art of Hollywood secrecy 'It's not dieting, it's biohacking' / The Silicon Valley execs who don't eat for days Technology / Siri heads for a shake-up in 'iPhone 8' Scotland / It's been voted the world's most beautiful country – here's why Health & wellbeing / Is there such a thing as sugar addiction? opinion After North Korea's denuclearisation has failed, who can bring it back to the negotiation table? Jiyoung Song Trump promised to put American workers first. He lied Michael Paarlberg The labor movement fought for civil rights before. We will do it again Gerry Hudson sports Kroenke's abject US teams a warning things may get worse for Arsenal DJ Gallo Live / US Open: Pliskova and Nadal in action on day eight News / Czech climber sets new benchmark with ascent of 'world's hardest cliff' Guardian News & Media Limited - a member of Guardian Media Group PLC. Registered Office: Kings Place, 90 York Way, London, N1 9GU. Registered in England No. 908396