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.

Britain must accept that "sooner or later" ground troops and tanks will have to be sent into combat to overcome Isis a former chief of the Armed Forces has said.

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 a defiant speech, the public broadcaster's managing director, Mark Scott, said the ABC was not an official mouthpiece and had a duty to air a diversity of views.

Legislation stripping terrorists with dual nationality of their Australian citizenship will be introduced into Parliament today.

Two of Australia's most notorious terrorists have been killed while fighting with Islamic State (Isis) in the Middle East, according to reports.

The CIA did not know in advance that al-Qaeda's leader in Yemen was among the suspected militants targeted in a lethal drone strike last week, according to United States officials who said that the....

Al-Qaeda has confirmed that Nasir al-Wuhayshi, its No 2 figure and leader of its powerful Yemeni affiliate, has been killed in a United States strike.

The Islamic State has been making appeals online, calling for supporters to make donations using the online current Bitcoin.

The elite Seal Team Six fighting force which killed Osama bin Laden has warped and bloated into an unaccountable organisation which targets low-level militants and "street thugs", according to a new account of the secretive unit.

Lindt cafe gunman Man Haron Monis craved attention and wanted to be "a hero in his own story". He drove luxury cars with personalised plates and wore a 1930s gangster-style cream striped suit.

John Keys says NZ Defence Force chiefs have not shared the same concerns as US leaders about willingness of Iraqi troops to fight the Islamic State.

Prime Minister John Key says New Zealand could not follow suit if Australia moves to strip a New Zealand-Australian woman of citizenship to prevent her returning from Syria.

Eye-witnesses say streets of Palmyra are strewn with hundreds of bodies – the latest victims of terrorists's savagery.