President Francois Hollande says France will be "merciless" against those behind the deadliest attacks in the country in decades.

The co-ordinated acts of murder on this scale are unprecedented and the night of Nov 13, 2015 will toll just as significantly in the years to come.

The Paris attacks have outraged the world. But, sadly, they will not have surprised French authorities.

Daniel Psenny first thought the shots he heard came from the cop movie playing on his television. Soon after, he realised they came from the Bataclan concert hall.

Despite reports the Islamic State group has claimed responsibility for the attacks, there is no definitive proof as of yet.

Rachel Smalley, recovering in Beirut from her first marathon, hot-footed it to a bomb site where at least 43 people were killed in a shopping street.

Aviation security is likely to be tightened following a review that's been given impetus by the apparent bombing of a Russian plane in Egypt.

A 19-year-old man has been arrested by University of Missouri police for posting threats to the racially roiled campus on social media,.

A British man held in Guantanamo Bay has given an account of his 14-year ordeal and made a number of shocking claims.

The devastated mother of a Kiwi basketballer who narrowly survived yesterday's college massacre is rushing to be with her son.

Taliban insurgents have seized control of key facilities across a major city in northern Afghanistan, driving back stunned security forces in a multi-pronged attack.

Prime Minister says New Zealand will not rush to sign up to coalition against Islamic State proposed by Russian's President Vladimir Putin.

Nothing less than a multifaceted strategy is required to address both the political causes and the military symptoms of the rise of Isis, writes Robert Patman.

Jihadists are defecting from Isis after their "Islamist utopia" of luxury cars and "heroism" never materialised.

The latest issue of Dabiq, Isis' English-language magazine, contains a conspicuous number of offensive provocations.

Iraq and Syria may have been permanently torn asunder by war and sectarian tensions, the head of the United States Defence Intelligence Agency said yesterday in a frank assessment that is at odds with Obama Administration policy.

Britain should "crush" Isil by taking part in military action in Syria, a former Archbishop of Canterbury suggests today amid mounting calls for further air strikes.

Barefoot, blindfolded and dressed only in blue hospital pyjamas, the Moroccan gunman accused of attacking passengers on a train from Amsterdam to Paris was led into a court building in the French....

Police insist they would rather risk a prosecution failing than risk members of the community being hurt or killed after a 18-year-old from Melbourne was cleared of a terror charge.

Security was stepped up on major European rail services as fears of "blowback" attacks by jihadis returning from Syria escalated after a gunman known to the intelligence agencies opened fire on a high-speed train bound for Paris.

New footage is believed to show the British Isis killer nicknamed 'Jihadi John' unmasked for the first time in Syria.

Several foreigners are believed to be among a network of at least 10 people involved in the Bangkok shrine bombing, according to Thailand's police chief.

Al-Qaeda has released a message, purportedly from Osama bin Laden's son Hamza, calling for attacks on London and other western cities.

German troops involved in a coalition training mission in Iraq have reported that Isis (Islamic State) fighters have used chemical weapons on a Kurdish militia.

Homegrown extremists will not be concerned a kill list the so-called Islamic State purportedly published is riddled with dated or public information, a security analyst says.

Israeli leaders proposed harsh new measures to curb "Jewish terrorism" after a wave of extremist violence left Israeli and Palestinian children dead in knife and arson attacks.

Confirmation of the death of Mullah Muhammad Omar, the reclusive cleric who founded the Afghan Taliban, is likely to complicate the pursuit for peace in the country.