Nigerian militant group Boko Haram pledges allegiance to Islamic State (IS) via Twitter post

The military chief of Syria's al-Nusra Front militant group is killed in an air strike, says the group

Melanie Smith monitors around 90 women daily who are believed to be living with Islamic State militants in Syria and Iraq and depicts an idea into what life really is like inside IS

A former Royal Marine became the first Briton to be killed while fighting alongside Kurdish forces against Islamic State in Syria, the Kurdish militia

Nineteen of 220 members of an Assyrian Christian community kidnapped by Islamic State (IS) in Syria released

The man identified as extremist "Jihadi John" said he felt like a "dead man walking" after being contacted by UK security services

CCTV pictures have emerged showing three UK schoolgirls on the Turkish leg of what is believed to have been their journey to join Islamic State in Syria

The masked Islamic State militant known as "Jihadi John", who has been pictured in the videos of the beheadings of Western hostages, has been named.

Fears are growing for the safety of three east London schoolgirls who police believes are trying to cross the Turkish-Syrian border to join Islamic State (IS).

President Barack Obama says US 'not at war with Islam - we are at war with people who have perverted Islam