Security services are facing mounting questions over claims that the British graduate believed to be murderous extremist Jihadi John was known to MI5.

An online video released today purports to show the Islamic State (IS) group threatening to kill two Japanese hostages unless they receive a $200m (€173m) ransom in the next 72 hours.

Yesterday’s deadly attack on the offices of a Paris magazine exposes not just the horrors of extreme religious fundamentalism but the paucity of moderate Islamic voices.

Al-Qaida has threatened to murder a British-born photographer held hostage by the extremist Islamic group, according to a terrorist monitoring organisation.

US president Barack Obama has said the beheading of Peter Kassig by the Islamic State group in Syria is “an act of pure evil”.

The video showing what the fifth beheading victim of the Islamic State militant known as Jihadi John was released just hours after reports emerged that he was injured in an allied air strike.

The new head of Britain’s electronic eavesdropping agency has accused internet firms of being “in denial” of the role their networks play in terrorism and demanded they open themselves up more to intelligence services.

The parents of a US aid worker threatened with beheading by the Islamic State group say they have broken their silence about their son’s year-long captivity because "the dynamics have changed" and they fear for his life.

A video apparently showing the beheading of British hostage Alan Henning has been released on the internet.

IS is losing fighters on the ground, only to recruit more online. The world must also end this virtual power-grab if it is to win the war against the jihadists, writes Rita Katz

The British extremist responsible for the on-screen beheading of hostages has reportedly been identified, as MPs prepare to vote on whether the UK should join air strikes against Islamic State (IS).

The wife of British hostage Alan Henning has called on "the people of the Islamic State to see it in their hearts to release my husband", describing him as a "peaceful, selfless man".

The wife of British hostage Alan Henning has called on “the people of the Islamic State to see it in their hearts to release my husband”, describing him as a “peaceful, selfless man”.

Islamic militants have released a propaganda video apparently featuring a British hostage.

France’s president has said there is “no time to lose” in the global push to combat extremists from the Islamic State group, as reconnaissance planes from his country stand ready for action.

Newly outraged by the beheading of yet another Western hostage, diplomats from around the world are in Paris pressing for a coherent global strategy to combat extremists from the Islamic State group.

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.

Despite his ultimate conversion, perhaps opportunistic, to the principles of democracy, Ian Paisley’s hate-filled rhetoric left a trail of dead bodies in its wake. TP O’Mahony reviews a mixed legacy.

Britain will take “whatever steps are necessary” to help an international push to destroy the “evil” extremist group who murdered aid worker David Haines, British Prime Minister David Cameron said today.

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).

FORMULA 1 boss Eddie Jordan’s €212 million lawsuit in which he had accused Vodafone of reneging on a sponsorship agreement was yesterday described as “without foundation and false” by a High Court judge.

JORDAN have vowed to race on in Formula One despite dropping a court case over sponsorship with telecommunications company Vodafone.