Senior gardaí are concerned at the potential threat posed by Irish fighters returning from Syria and Iraq as the assault on Islamic State (IS) intensifies.

The US president has been condemned for not intervening early and removing the Assad regime, but such military action was disastrous in Iraq and Libya, says Christopher R Hill     

Crowds jeered the French prime minister as he joined other officials in Nice to remember victims killed during the lorry rampage on the city’s promenade.

Update 12.29am: A senior Turkish official said tonight nearly 50 people had been killed in the attack at Istanbul's Ataturk Airport and initial indications were that the so-called 'Islamic State' group was behind the atrocity.

Hundreds of anti-government protesters have climbed over the blast walls surrounding Baghdad's highly-fortified Green Zone for the first time and stormed into the Iraqi parliament.

Here’s a briefing on some of the stories and issues highlighted on irishexaminer.com today.

Following the terror attacks in Brussels this week that left at least 32 dead and 270 injured – attacks that Islamic State (IS) claimed responsibility for – a message reading “All Muslims are scum” appeared on a Dublin street.

For the third time in 10 months, Islamic State (IS) terrorism has been brought close to home.

Violent extremists, foreign fighters, and criminals are part of the daily refugee flow into Europe, the top Nato military commander in Europe told lawmakers, “masking the movement” of these dangerous elements and heightening potential for an attack.

Turkish police suspect militants planned New Year’s Eve attacks

A teacher who claimed to have been attacked by a masked assailant invoking Islamic State (IS) made up the story, the Paris prosecutor’s office has said.

To address today’s challenges, Europe and Turkey must build a partnership based on their common interests, particularly security, writes Ana Palacio

The US is abandoning its goal of training a new force of moderate Syrian rebels and will focus on equipping, arming and supporting established groups already fighting Islamic State (IS) inside Syria, officials said.

Suspected associates of the Tunisian beach gunman have been arrested, as it was announced that Britain will observe a minute’s silence for the victims of the massacre.

At least 35 people were killed when a suicide bomber riding a motorcycle blew himself up at a bank in eastern Afghanistan.

Three girls feared to be intent on joining Islamic State (IS) have crossed into Syria from Turkey, British police believe.

A masked gunman who killed a soldier at Canada’s war memorial and stormed parliament before being shot dead by the ceremonial sergeant-at-arms was an Islamic convert, it has emerged.

Islamic State fighters backed by tanks and artillery have pushed into an embattled Syrian town on the border with Turkey, sparking heavy street battles with the town’s Kurdish defenders.

Israeli prime minister Benjamin Netanyahu has warned that Hamas and the Islamic State group (IS) are “branches of the same poisonous tree,” both bent on world domination through terror, just as the Nazis were.

Driving out Islamic State (IS) militants will not be a "weekend campaign", British defence secretary Michael Fallon has warned, after the first combat sorties by RAF warplanes over Iraq failed to locate any suitable targets to strike.

Britain stands ready to take "whatever steps are necessary" to help an international push to destroy the "evil" extremist group who murdered a British aid worker, David Cameron said.

British Prime Minister David Cameron gathered senior representatives of the military and security services at Downing Street after a third man was beheaded by Islamic State (IS).