A masked, black-clad militant, who has been identified by the Washington Post newspaper as a Briton named Mohammed Emwazi, brandishes a knife in this still file image from a 2014 video obtained from SITE Intel Group February 26, 2015.  REUTERS/SITE Intel Group

The video footage of Mohammed Emwazi aka Jihadi John from his school days is difficult to erase from the memory. Partly because of the obvious contras(...)

People gather outside Notre Dame Cathedral, Paris,  for  a Mass  after the  attacks in the city, November 15th, 2015. Photograph: Pascal Rossignol/Reuters

An Iraqi intelligence dispatch sent to coalition countries warned of imminent assaults by Islamic State the day before the deadly attacks in Paris kil(...)

An image grab taken from a video shows alleged Islamic State leader Abu Bakr al-Baghdadi. Photograph: Al-Furqan Media/Anadolu Agency/Getty Images

Several senior figures from Islamic State were killed in an air strike while meeting in a town in western Iraq, but the group‘s reclusive leader Abu B(...)

Khadiza Sultana, Shamima Begum and Amira Abase passing through security at Gatwick Airport before flying to Turkey. Photograph: Metropolitan Police via The New York Times

The night before Khadiza Sultana left for Syria the teenager was dancing in her bedroom. It was a Monday during the February school vacation. Her n(...)

The parents of the late American hostage Kayla Mueller say they were told by American officials that their daughter was repeatedly forced to have sex with Abu Bakr Baghdadi, the leader of the Islamic State group. Photograph: AP

The late American hostage Kayla Mueller was repeatedly raped by Abu Bakr al-Baghdadi, the leader of the Islamic State group, US officials have said. M(...)

An image grab taken from a video shows alleged Islamic State leader  Abu Bakr al-Baghdadi in Mosul. Photograph: Al-Furqan Media/Anadolu Agency/Getty Images

It seems a strange obsession for men so opposed to graven images that they smash ancient statues with sledge hammers. The jihadists of Islamic State (...)

Members of the Assyrian Gozarto Protection Forces, consisting of Sutoro militia, a pro-Syrian government Syriac Christian movement, and other Assyrian fighters rest and drink tea before heading to  the front line in the battle against  Islamic State in the northeastern Syrian province of Hasakeh on July 13th. Photograph: Youssef Karwashan/AFP/Getty Images

Islamic State’s reclusive leader has empowered his inner circle of deputies as well as regional commanders in Syria and Iraq with wide-ranging authori(...)

Out of this desperation will IS find a base? .... Palestinian children play in the rubble of houses destroyed during the  Gaza  war between Israel and Hamas militants in the summer of 2014 Photograph: Said Khatib/AFP/Getty Images

One of the more puzzling aspects of the politics of conflict in the Middle East has been the failure of Islamic State to take up the cause of the Pale(...)

Coffins draped with Kuwaiti flags belonging to victims of the Kuwaiti Shia mosque  bombing,  which have been brought to  Najaf, Iraq, for burial. Photograph: jaber al-helo/AP/

A Saudi citizen has been identified by Kuwait as being the suicide bomber who detonated his explosives at a Shia mosque in Kuwait during noon prayers (...)

Iraqi fighters from the Hashed al-Shaabi “popular mobilisation” in al-Nibaie area, northwest of Baghdad.  Photograph: Ahmad Al-Rubaye/AFP/Getty Images

A senior Islamic State figure known as “the blind judge” has made an appearance in the Iraqi city of Ramadi, asserting the militant group’s dominion o(...)