Enhanced screening for ebola will begin at Britain’s biggest airport today as prime minister David Cameron insisted "vigorous steps" were being taken to prevent the deadly virus reaching the UK.

The first Irish-American Mayor of Boston in 20 years Marty Walsh departed from Shannon Airport this morning following an 11 day visit admitting Ireland is very much an economy on the move again.

A Japan Airlines flight to Tokyo has returned to the US amid a suspected fuel pump issue on the Boeing 787 aircraft.

Boston Marathon investigators have found a piece of circuit board they believe was part of one of the bombs.

Authorities at Boston's Logan Airport have said a security incident on a passenger jet was not related to yesterday's bombings.

Police in Boston have stopped a passenger jet on the runway at Logan Airport.

Fourteen people died and about 345,000 homes and business were left without power as the US north- east and Canada were hit by a blizzard that dumped up to 3ft of snow on the most densely populated part of the region.

Fourteen people have died and about 345,000 homes and business were left without power as the US north-east and Canada were hit by a blizzard that dumped up to 3ft of snow on the most densely populated part of the region.

A massive storm packing hurricane-force winds and blizzard conditions is sweeping through the Northeast of the USA.

The battery that caught fire in a Japan Airlines Boeing 787 Dreamliner was not overcharged, but US government investigators warned there could still be problems with wiring or other components.

The Irish Air-Corps has completed a long-haul air ambulance mission to the United States.

For Cork-born Ron Clifford, Osama Bin Laden’s death only reinforced his quest for justice on behalf of his sister Ruth and niece Juliana, who would have been 14 today. He spoke to John Riordan.

Knock Airport is marking its 21st birthday today with the launch of a new transatlantic service to Boston.

THE mayor of New York paid a flying visit to Mayo yesterday to hail the first direct flights between Knock Airport and the Big Apple.

The New York mayor today visited Co Mayo to hail the first direct flights between Knock Airport and the Big Apple.

A British man accused of killing his wife and infant daughter lost two legal challenges this week when a judge ruled he must submit to a DNA test and denied a defence motion to dismiss the murder indictment against him.

Fighter jets escorted a London-to-Washington, D.C., flight to Boston’s Logan airport today after the pilot declared an emergency because an apparently claustrophobic passenger caused a disturbance, a federal official said.

Three-tonne concrete panels fell from the roof of Boston’s Big Dig cross-city tunnel, killing a woman in a car and shutting down a section of the massive US building project.

THE British man arrested over the murder of his American wife and baby daughter told police he did not kill them but found them shot dead when he returned from an errand, according to a police affidavit yesterday.

A London-bound flight from Los Angeles was diverted to Boston today after three Pakistani passengers were considered to be behaving suspiciously.

LARGE parts of the Northeastern United States lay buried under several feet of snow after a blizzard wreaked havoc across large parts of the country causing a state of emergency to be declared in some areas.

FBI agents in Boston are searching for 14 Chinese and two Iraqis following a tip that they might be planning an attack on the city.

CHILLING radio transmissions by the September 11 hijackers from the planes they commandeered were played for the first time yesterday.

Chilling radio transmissions by the September 11 hijackers from the planes they commandeered were played for the first time today.

AER LINGUS were yesterday forced to cancel a number of transatlantic flights as snow storms cripple the north east of the United States.

Box cutters – the type of weapon used by the September 11 hijackers – have been found aboard two aeroplanes in America, it emerged today.

A DOCTOR working as a translator at the US prison camp for terror suspects at Guantanamo Bay, Cuba, was arrested yesterday.

The husband of a woman who died in last September’s attack on the World Trade Centre in New York is suing American Airlines for more than $50m (€57m).

A Delta flight from Boston's Logan Airport to Florida was aborted before takeoff today after a passenger demanded to be let off and made a threat.

The plane at the centre of a bomb threat in Atlanta, America, has been moved away from the main buildings of Atlanta's airport while security checks the threat.

Transport group Stagecoach was counting the cost of the US terrorist crisis today as its New York coach business faced up to major disruption.

The head of security at Boston’s Logan Airport is being ousted, three weeks after terrorists crashed two planes hijacked from the airport into the World Trade Centre, an official in the Massachusetts governor’s office said.

The Pentagon on Saturday dubbed the U.S. military's increased role in homeland defense and support for civil authorities "Operation Noble Eagle."

Federal authorities made the first arrest yesterday in the worldwide investigation into this week’s terrorist attacks, a government official said.

It has emerged that the best friend of an Irish woman killed in one of the hijacked planes had suffered a similar fate 18 minutes earlier in the first crash.

Police in Hamburg, Germany, say they have detained a male airport worker and a woman in connection with the terror attacks in the US.

A stunned and grieving America was at war tonight - with the hunt for those responsible for the attacks on New York and Washington beginning in earnest.

Law enforcement officials are denying that arrests were made at the Westin Hotel in Boston.

Even as they scrambled to flee World Trade Centre offices, workers paused to count heads, making sure their deskmates were there.