Syrian Kurds waiting behind barbed wired on the Syrian side of the border with Turkey after they fled the Syrian town of Kobane. Photograph: Bulent Kilic/AFP/Getty Images

Islamic State is a hydra-headed military cult that grows two poisonous heads for every one lopped off. Yesterday’s attacks in France, Tunisia, Kuwait (...)

A member of the Iraqi security forces stands inside a damaged house in the southern entrance of the city of Tikrit on Sunday. Photograph:  Ahmad al-Rubaye/Getty Images

The decision by Iraqi prime minister Haidar al-Abadi to request US air strikes against Islamic State (IS) fighters entrenched at the heart of the stra(...)

 King of Jordan, Abdullah II (2nd right), talking to Safi al-Kassasbeh (2nd left), the father of the recently executed Jordanian pilot, in Aye Village, Karak on Thursday. Photograph: Jordanian Royal Palace/EPA.

Jordanian fighter jets pounded Islamic State hideouts in Syria on Thursday and then roared over the hometown of a pilot killed by the militants. (...)

A woman collects objects from damaged buildings in Jobar, a suburb of Damascus.  A senior figure in Islamic State’s self-declared police force in Syria, which has carried out beheadings, was himself found decapitated in the eastern province of Deir al-Zor, the Syrian Observatory for Human Rights said on Tuesday. Photograph: Reuters

A senior figure in Islamic State’s self-declared police force in Syria, which has carried out beheadings, was himself found decapitated in the easter(...)

Islamic State militants control all but a few pockets of Deir al-Zor province, which borders territory also under its control in Iraq. Photograph: Reuters

  More than 230 bodies of people believed killed by Islamic State militants have been found in a mass grave in Syria’s eastern Deir al-Zor(...)

Rebel fighters walk around the Hamidiya base, one of two military posts they took control of from forces loyal to Syria’s President Bashar al-Assad on Monday. Photograph: Reuters.

Around 100 Syrian soldiers and 80 Islamist fighters were killed during a two-day battle in which insurgents captured the Wadi al-Deif military base, (...)

Local residents watch smoke from an explosion rising over the Syrian city of Kobani as they watch the apparent US-led coalition’s airstrike against IS positions in the border region. Photograph: Sedat Suna/EPA

Air strikes by US-led forces have killed 553 Islamist fighters and 32 civilians during a month-long campaign in Syria, a monitoring group which tracks(...)

Turkish tanks and armoured vehicles took up positions on hills overlooking the besieged Syrian border town of Kobani today as shelling by Islamic State insurgents intensified and stray fire hit Turkish soil. Photograph: Murad Sezer/Reuters

US warplanes have attacked Islamic State targets in Syria, in raids that a group monitoring the war said killed civilians as well as jihadist fighters(...)

Em Khamri, a Syrian refugee woman from Raqqa, checks on her twin girls inside their tent in an informal settlement in Deir al-Ahmar, Bekaa valley today. Em Khamri and her family fled from Raqqa to Lebanon about five months ago fearing clashes between Islamic State fighters and forces loyal to Syria’s president Bashar al-Assad. Photograph: Reuters

Islamic State fighters shot down a Syrian war plane using anti-aircraft guns today, the first time the group has downed a military jet since declarin(...)

Israeli soldiers watch the Syrian side of the border near the Quneitra crossing point between Syria and Israel yesterday. Photograph: EPA/Atef Safadi

The UN Security Council has demanded the immediate and unconditional release of abducted peacekeepers and the withdrawal of insurgents from UN observ(...)