Following one of the most devastating acts of terrorism in Paris on November 13, the world unites with mourning and prayers and expressing solidarity, particularly in the social media.

The influence of the Islamic State group extends well beyond the land it controls in Syria and Iraq, reaching recruits around the world, including the Asia-Pacific region.

So-called Islamic State group (IS) has shifted its propaganda distribution to the secure mobile messaging app Telegram from Twitter, where its accounts have been repeatedly shut down over the past year.

Turkish F-16 fighter jets are scrambled after a Russian warplane violates Turkey's air space on Saturday, the foreign ministry says.

President Vladimir Putin secures parliament's unanimous backing to launch air strikes against Islamic State militants in Syria, paving the way for imminent Russian military intervention in its closest Middle East ally.

France claims to have carried out its first air strikes against the Islamic State group in Syria following nearly three weeks of surveillance flights.

A man - who joined Islamic State in Syria with 11 other family members of his family - is being held against his will after being "tricked" into going, his son tells British TV channel.

Two deadly car bombs hit the capital Sanaa and a southern city in Yemen on Tuesday, state news agency Saba reported, a day after air strike and clashes killed almost 200 people nationwide.

The US-led coalition fighting the Islamic State group is "intensifying" its campaign in northern Syria, President Barack Obama says.

A UK family of 12 who went missing have joined so-called Islamic State and are "safer than ever", according to a statement said to be on their behalf.

A suicide bomber kills 21 worshipers during Friday prayers in a packed Shia mosque in eastern Saudi Arabia in an attack claimed by the Islamic State militant group.

Libyan government adviser Abdul Basit Haroun says Islamic State (IS) fighters are being smuggled into Europe by gangs in the Mediterranean on boats filled with migrants.

The suspected mass graves of up to 1,700 captured Iraqi soldiers killed by IS militants have been found in the city of Tikrit.