Citizens of eight countries, including North Korea and Venezuela, will face new restrictions on entry to the US under a proclamation signed by President Donald Trump that will replace his expiring travel ban.

The ban on laptops in the cabins of planes flying from the Middle East to the US is over, with federal officials saying that large airports in the region have taken other steps to increase security.

European Union and US officials have swapped information about threats involving air travel amid concern that the United States will soon broaden its ban on in-flight laptops and tablets to include planes from Europe.

Twitter has defied a US government request for records that could identify users behind an account opposed to President Donald Trump, and is challenging that order in court.

Two gang members who are in the US illegally held three teenage girls against their will in Houston, Texas, and killed one of them in a satanic ritual, authorities have said.

A report by the US Department of Homeland Security claims that President Donald Trump’s wall along the border with Mexico would cost up to $21.6bn and take more than three years to build.

Donald Trump has signed directives which will not only see a wall built along the US border with Mexico, but also crack down on cities that shield illegal immigrants, such as the undocumented Irish.

The top Senate Republican says that Congress will investigate a CIA assessment that Russia interfered in the November election on behalf of Donald Trump, an intelligence conclusion that the incoming commander in chief has called "ridiculous".

The CIA has reportedly concluded that Russia intervened in the US election to help Donald Trump win.

Two North Carolina men have been charged in connection with a computer hacking network that allegedly targeted CIA Director John Brennan and other senior US government officials.

Struggling to communicate with your teen? Suzanne Harrington masters the latest adolescent buzzwords with forensic linguist Allan Metcalfe, author of a new book on the history of slang.

USA: A woman talked her way past a security guard and entered the cockpit of a private plane at an Illinois airport before she was caught and taken to a hospital for psychiatric observation, authorities said.

US law enforcement agencies are a long way from being able to effectively track threats of the kind a gunman posted on Instagram before his execution-style murder of two New York City policemen last weekend.

Critics and early viewers are agreed that The Interview is less than a masterpiece, but thanks to threats from hackers that nearly derailed its release, it has become an event.

Sony Pictures Entertainment made the shock decision to cancel the Christmas Day release of controversial comedy The Interview amid the threat of terrorist attacks from hackers and America’s largest multiplex chains pulling the film from their screens.

A US$1.1 trillion (€882.5m) spending Bill is on its way to US president Barack Obama for his signature.

The US Senate looks set to pass a $1.1tn (€883bn) spending bill in time for a Saturday night deadline, following a narrow House of Representatives vote that averted a government shutdown.

Undocumented Irish people who have lived for some years in the United States and have children born in the country are likely to benefit most from President Obama’s plans to overhaul immigration rules.

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.

A soldier has died after barricading herself in an office and shooting herself inside a major command’s headquarters in Virginia. 

The head of the US Coast Guard (USCG) has made a whistle-stop visit to Ireland amid tight security.

Three disclosures in the past week have shown the United States is losing its way in the struggle against terrorism.

Groups such as Europol identify clues that help predict who the possible terrorists of the future could be. Cormac O’Keeffe talks to Pat Byrne, the head of Europol’s US office

A funeral home director was today trying to find a cemetery that would bury a suspect in the Boston Marathon bombings.

The US knows little about chemical weapon use in Syria, president Barack Obama has admitted.

Airport scanners with their all-too revealing body images are to be scrapped, America’s transport authority says.

US President Barack Obama wants "concrete proposals" to curb gun violence by the end of next month in the aftermath of the Newtown school massacre.

It appears now that when professional cyclists ‘relieve’ themselves during a stage, they are a threat to mankind.

The CIA has thwarted an ambitious plot by al-Qaida’s affiliate in Yemen to destroy a US-bound airliner using a bomb with a sophisticated new design around the one-year anniversary of the killing of Osama bin Laden.

Illegal immigration has been incessantly discussed during the US Republican race. However, hardly any of the discourse has focused on the fact that it’s not that big a problem, writes Edward Alden

An FBI mole speaks for the first time about life in the seedy world of right-wing terror. Ross Schneiderman reports

The FBI and Homeland Security have issued a nationwide warning about al Qaida threats to small planes, just days before the anniversary of the 2001 terrorist attacks.

The British government's emergency committee COBRA is to meet this morning to discuss security after suspicious packages were found at East Midlands airport and on a plane in Dubai.

PRESIDENT Barack Obama declared yesterday that authorities had uncovered a “credible terrorist threat” against the United States following the overseas discovery of US-bound packages containing explosives aboard cargo jets. Obama said both had been addressed to Jewish organisations in the Chicago area.

There’s a lot of fury out there right now, and why wouldn’t there be given the mess that politicians, bankers, business leaders and our own levels of greed have created?

A Saudi diplomat in Los Angeles reportedly asked for political asylum in the United States, claiming his life is in danger if he is returned to Saudi Arabia.

America’s self-proclaimed “toughest sheriff” is being sued by the US government for his “unprecedented” defiance over an investigation into alleged discrimination against Hispanics.

A judge who granted asylum to President Barack Obama’s African aunt said she deserved to stay in the US because a government official who leaked her status made her a potential target in her native Kenya.

Barack Obama said security lapses that led to a near-disaster in the Christmas Day attack on a US-bound airliner were not the fault of an individual or agency.

Barack Obama will disclose more today about the botched airline terrorist attack - and what else he will do to beef up security.

MORE Irish people have been deported from the United States in the past year, with the increase in numbers leading to a jump in our deportation ranking.

The US Coast Guard conducted a training exercise in Washington DC’s Potomac River near the Pentagon amid September 11 commemorations today, sparking confusion that scrambled FBI agents and led the nearest airport to briefly ground flights.

THE Obama administration is looking at creating a courtroom-within-a-prison complex in the US to house suspected terrorists, combining military and civilian detention facilities at a single maximum-security prison.