A file image showing Kurdistan Workers Party (PKK) fighters near their  base in Sinjar. The PKK is fighting Islamic State in northwest Iraq. Photograph: Reuters

Islamic State militants are reported to have killed at least 300 captive Yazidis at a prison camp in northern Iraq, the latest mass killing carried ou(...)

US president Barack Obama addresses the nation from the State Dining Room of the White House, in Washington yesterday.  Photograph: Mike Theiler/EPA

The US military conducted two additional air strikes against Islamic State forces near the city of Arbil in northern Iraq this evening, the Pentagon s(...)