President-elect Donald Trump has chosen South Carolina governor Nikki Haley as US ambassador to the United Nations, the first woman he has selected for a top-level administration post during his White House transition.

An organisation called the Michigan People's Campaign said it was behind the protest.

At least a dozen women interrupted a major economic speech by Donald Trump by jumping up and shouting in a co-ordinated effort to disrupt the Republican presidential nominee’s remarks.

The American military and industrial complex needs a new enemy to justify its massive budget and Vladimir Putin is the right person at the right time, argues Peter Van Buren.

Donald Trump once promised a “showbiz” convention, packed with flash, celebrities, and a “winner’s night” featuring sports stars and champion coaches.

Painstaking organisation and in-person campaigning paid off again for Ted Cruz. He won all 14 delegates at the Republican Party convention in Wyoming.

Republican presidential front-runner Donald Trump is calling on rival John Kasich to get out of the White House race, arguing that the Ohio governor should not be allowed to collect future delegates because the nomination is already beyond his grasp.

A frustrated Donald Trump stepped up his presidential campaign after a rough week and found himself on the defensive just two days before the closely watched primary in Wisconsin.

Front-runner Donald Trump tried to prove no perceived misstep can derail his march to the Republican presidential nomination.

Republican presidential candidates Marco Rubio and John Kasich have suggested they may not support Donald Trump if he becomes the Republican nominee, as violence at the front-runner's rallies deepened the party's chaotic chasm.

 How did a kitschy, carnival performer propel himself to the brink of power in the most powerful country in the world? asks Bernard-Henri Lévy

Donald Trump has called for Republicans to rally behind his presidential candidacy after he cruised to primary victories in three more states.

Socialist Bernie Sanders has breathed new life into his long-shot White House bid with a crucial win in Michigan's presidential primary, chipping away at Hillary Clinton's dominance in the Democratic race.

Hillary Clinton and Bernie Sanders have tangled aggressively in a Democratic presidential debate over trade and Wall Street influence.

Ted Cruz and Donald Trump each captured two victories in yesterday's four-state round of voting in the Republican race for the White House.

With US Republicans sharply split over a front-runner they cannot unite behind, a new group is trying to push the country’s top elected Republican, Paul Ryan, into the White House race.

Donald Trump has come under attack from former US presidential nominee Mitt Romney, who urged fellow Republicans to shun the property tycoon for the good of the country and party.

Rivals candidates vow to fight on despite Super Tuesday setbacks

On the eve of Tuesday's crucial multi-state primaries, a sharp new divide erupted between Republicans over the party's frontrunner, billionaire tycoon Donald Trump.

Presidential hopeful refuses to condemn supremacist’s backing

Fresh off a runaway win in the South Carolina primary, Democrat Hillary Clinton turned her sights to a possible match-up with Republican frontrunner Donald Trump in the November 8 presidential election.

Brawling from the beginning, a fiery Marco Rubio went after front-runner Donald Trump in the last Republican presidential debate before the key ‘Super Tuesday’ contest, lashing out at his position on immigration, his privileged background, and his speaking style.

New Jersey governor Chris Christie is endorsing Donald Trump in the race for the Republican presidential nomination in the US.

Donald Trump’s campaign for the Republican US presidential nomination is building a momentum that may sweep away challenges by Marco Rubio and Ted Cruz, with his crushing win in the Nevada caucuses marking a third straight victory in state contests.

Former US president George Bush will be campaigning for his younger brother Jeb in South Carolina, marking his most direct entry into the 2016 White House race to date.

New Hampshire the next stop for candidates seeking delegates’ votes

The United States has imposed sanctions over Iran’s ballistic missile testing, even as President Barack Obama hailed the release of five Americans from Tehran’s custody and a nuclear deal he hopes will stand among his lasting foreign policy achievements.

This US presidential election is seen as one of the most bizarre in modern times, with Republican frontrunner Donald Trump setting the tone. But now Jeb Bush is joining in by questioning another candidate’s height and the boots he wears.

As the US president prepares to make his final State of the Union address, Bette Browne says the widespread optimism that greeted his election has given way to division and acrimony.

Government will need strong sense of vision about how a stronger economy can contribute to a

Terror in Paris and California is stoking the increasingly apocalyptic rhetoric of prospective US presidential candidates ahead of both parties’ debates this week, writes Bette Browne

US president Barack Obama has laid out the most sweeping defence yet of his strategy to defeat Islamic State (IS), but he offered no US policy shift to confront what he called a “new phase” in the terrorist threat after a mass shooting in California.

Donald Trump has backtracked from his support for a government database to track Muslims in the US — an idea that drew sharp criticism from his Republican presidential rivals and disbelief from legal experts.