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.

The clandestine programme represents a significant escalation of the CIA's involvement in the war in Syria, enlisting the agency's powerful Counterterrorism Centre.

Thailand's junta is under scrutiny after mistakenly showing an unrelated picture of a suicide vest during a nationally televised broadcast announcing the arrest of a foreign man in connection with....

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.

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.

Photos show the horror on the faces of Bush and Cheney after the attacks.

The leader of the Khorasan Group was killed when a vehicle he was travelling in near Sarmada in northwestern Syria was struck by US missiles.

A British schoolgirl who fled to Syria to join Islamic State (Isis) has reportedly married a notorious Australian-born jihadist who threatened to carry out attacks in Britain.

Indonesian authorities trying to trace two commercial pilots believed to support Isis (Islamic State) say Australian Federal Police intelligence on the men wasn't shared with them.

After last month's terror attack at a beach resort in the coastal city of Sousse, the Tunisian Government has authorised plans to build a 167km barrier to secure its border with Libya.

Nicknaming Isis (Islamic State) terrorist Mohammed Emwazi "Jihadi John" is an insult to the memory of John Lennon, Yoko Ono has said.

Survivors of the Tunisian terror attack have questioned the absence of armed security after it emerged that a suicide bomber had blown himself up at the same resort.

Tunisian Prime Minister Habib Essid has told the BBC that police took too long to react to last week's jihadist attack that killed 38 people, mostly Britons.

Australia, France and Britain are among more than 30 countries around the world where the threat of terrorism is "high", according to the UK Foreign Office.

Jihadists warned "Christians" to avoid Tunisia for their summer holidays seven weeks before last weekend's attack, one of several warning signs missed.

Extraordinary accounts have emerged, including the story of a man who helped tourists get to a boat and chased the gunman down the beach.

The young man who slaughtered a group of unsuspecting, sunbathing tourists on a Tunisian beach was just an all too typical youth from an unremarkable background.

In what a police source called a "macabre mise en scene", the unnamed man's head was found attached to a fence outside the factory.

A British man shot three times on the beach used his body as a human shield to protect his fiancee from being killed by the gunman.