Former US presidential candidate Senator John McCain has promised to beat the brain cancer he has been diagnosed with after having a blood clot removed.

Real estate magnate Donald Trump moved to the top of the 2016 US Republican presidential field in a CNN poll released yesterday, edging rival Jeb Bush and gaining support from Republicans in the last month despite a series of controversial statements.

Republican presidential candidate Donald Trump plans to make a big speech at the Mexico-Texas border today.

North Korea is experiencing serious internet problems, with experts warning that online access is “totally down”.

Barack Obama has shrugged off Republican criticism of his move to lift the threat of deportation from millions of immigrants living illegally in the United States.

Nearly half of the roughly 300 US military advisers and special operations forces expected to go to Iraq are now in Baghdad.

The CIA has confirmed it wanted one of the Boston bombing suspects placed on a terrorist database 18 months ago.

Republican candidates battled hard ahead of today’s key deep South votes as a poll said front-runner Mitt Romney would beat Democrat President Barack Obama if elections were held right now.

US President Barack Obama was today set to visit Ground Zero in New York to pay tribute to the victims of the 9/11 attacks, just days after the death of terror mastermind Osama bin Laden.

The top Republican on the US Senate Armed Services Committee said Nato and Afghan troops would prevail in the war if they could succeed in securing and bolstering governance in the Taliban stronghold of Kandahar.

President Barack Obama is making about $8bn (€5.8bn) in federal loan guarantees available for the first new US nuclear power plant in nearly three decades, underscoring the administration's efforts to reduce dependence on foreign oil.

Former campaign rivals President-elect Barack Obama and Senator John McCain met today to discuss working together in the future in their first meeting since the bitter election race.

US president-elect Barack Obama’s former rival Hillary Clinton is being considered as a possible secretary of state in his administration, according to US reports today.

REPUBLICAN presidential candidate John McCain has a big decision ahead of him — picking a vice presidential running mate whose presence on the ticket would reassure Americans concerned about McCain’s age.

Minister for Foreign Affairs Dermot Ahern insisted efforts to secure citizenship for thousands of illegal Irish in America will continue despite it failing for a second time.

US troops are to serve up to 15 months in Iraq and Afghanistan instead of the usual 12-month tours under new rules.

A Democrat-driven resolution on Iraq that has attracted the support of at least two Republicans threatens to expose fissures within US President George Bush’s party over the unpopular war.

The Bush administration in Washington is saying it has no plans for radical shifts in Iraq war policy or for ultimatums to the Iraqi government, despite election-year pressure to change course.

Today’s US Senate decision to fast-track new immigration measures is an important and positive step, Minister for Foreign Affairs Dermot Ahern has said.

The US Senate opened its first Supreme Court confirmation hearing in 11 years yesterday with Republicans and Democrats jockeying for position as they told chief justice nominee John Roberts to expect tough questions on his legal record.