President Barack Obama walks down the steps of Air Force One at Andrews Air Force Base after returning from a foreign trip to Saudi Arabia, England and Germany. Photograph: AP/Susan Walsh

Barack Obama is in the final months of his presidency and keen to justify his domestic and international achievements before he leaves office. His fin(...)

A bird lands on Democratic presidential candidate Bernie Sanders’ podium as he speaks in Portland, Oregon.  Photograph: Natalie Behring/Getty Images

Democratic US presidential contender Bernie Sanders easily won nominating contests in Alaska and Washington on Saturday, chipping away at front-runner(...)

Ted Cruz speaking at a rally in New York. The senator from Texas and candidate for the presidential nomination received an endorsement from former candidate Jeb Bush. Photograph: Reuters/Pearl Gabel

Texas senator Ted Cruz received a boost in his effort to rally Republicans behind his bid to beat Donald Trump in the Republican presidential race aft(...)

Jann Scharringhausen from Germany and his fellow Erasmus students at the St Patrick’s Day parade. Photograph: Sorcha Pollak

A group of bedraggled teenage boys are shuffling around the pavement on middle Abbey Street as their teacher explains the agenda for the day. “Pleas(...)

Revellers taking part in the St Patrick’s Day parade through central London last Sunday. Photograph: Tristan Fewings/Getty Images

The time of year when people around the world grab as much green as possible and celebrate Irishness and being Irish is almost upon us. Here at iri(...)

Democratic US presidential nomination candidate Bernie Sanders: “The people’s revolution that we’re talking about . . . is strong in every part of the country.”Photograph: Carlo Allegri

The latest multistate qualifying heats in the US presidential race showed again the Republican establishment can do little to halt front-runner Donald(...)

Democratic challenger Bernie Sanders scored a surprise win over frontrunner Hillary Clinton in Michigan while  Donald Trump made further advances in the race to be the Republican presidential nominee in November’s election with convincing primary ballot victories in Michigan and Mississippi last night. Photographs: Reuters, EPA

Democratic challenger Bernie Sanders scored a surprise win over frontrunner Hillary Clinton in Michigan, the biggest contest on the third day of multi(...)

Democratic US presidential candidate Hillary Clinton and rival Bernie Sanders speak  during the candidates’ debate in Flint, Michigan on Sunday. Photograph: Reuters/Jim Young

Bernie Sanders, the Vermont senator chasing Hillary Clinton for the Democratic nomination, faces a big test in Michigan today when the state votes in (...)

Shocking eyewitness footage of Hawaii helicopter crash 0:36

A private helicopter with five people on board crashed into Hawaii’s Pearl Harbour on Thursday, officials said. A teenager passenger is in a critic(...)

Donald Trump speaks during a campaign rally at Dubuque Airport in Iowa, on Saturday: the presidential candidate staged a fly-by in his red and black Boeing 757, dubbed “Trump Force One”, before landing. Photograph: Andrew Harrer/Bloomberg

Abraham Sheffield stands in a large function room of the University of Iowa’s university club, cradling his restless 16-week-old son as his other twin(...)