Members of Iraqi Shiite militia al-Abbas brigades, who are fighting with Iraqi forces against Islamic state group, at Kitba village near Tikrit in northern Iraq. Photograph: Ali Mohammed/EPA

Iraqi prime minister Haidar al-Abadi has capitulated to US pressure by agreeing to arm Sunni tribesmen fighting against Islamic State (IS), in spit(...)

Smoke rising from the Baiji oil refinery in northern Iraq. Iraqi forces appear to be lifting the months-long siege on the country’s main oil refinery. Photograph: EPA

The US chairman of the joint chiefs of staff, Gen Martin Dempsey, has said the battle against Islamic State in Iraq is “starting to turn” as Iraqi for(...)

Iraqi vice-president Nouri al-Maliki (left) and new prime minister Haider al-Abadi. Photograph: Reuters/Hadi Mizban

Arab League chief Nabil al- Arabi yesterday called for international support for Iraq’s new government as United States secretary of state John Ker(...)

Yazidi refugees wait for a chance to board a helicopter sent by the Kurdish autonomous government to Iraq’s Sinjar mountains. Photograph: Adam Ferguson/The New York Times 1:58

More than 100 US marines and special forces landed on Mount Sinjar in Iraq today to organise an escape route for 30,000 Yazidi civilians threatened by(...)

A displaced man and a woman from the minority Yazidi sect, fleeing violence from forces loyal to the Islamic State in Sinjar town, walk towards the Syrian border. Photograph: Rodi Said/Reuters

Iran turned its back on Nouri al-Maliki yesterday, and congratulated his designated successor as prime minister of Iraq, paving the way for Mr Maliki’(...)

 An Iraqi man reads a daily newspaper fronted with news on the nomination of new Iraqi prime minister Haider al-Abadi at a street in Baghdad, Iraq. Photograph: Ali Abba/EPA

Iraq’s new prime minister-designate won swift endorsements from uneasy mutual allies the United States and Iran today as he called on political leader(...)

Nuri al-Maliki  delivered a tough speech indicating he would not cave in to pressure to drop a bid for a third term. Photograph: Thaier al-Sudani/Files/Reuters

Iraq’s president named a new prime minister to end Nuri al-Maliki’s eight year rule today, but the veteran leader refused to go after deploying militi(...)

Refugees from the Yazidi religious minority take shelter by the roadside in Dayrabun in Iraq’s northern Dohuk province, yesterday. Many of the Yazidis who fled from Islamic State fighters remain on the slopes of Mount Sinjar, where they are now in danger of starving upon a mountain which they hold sacred. Photograph: Adam Ferguson/The New York Times

Islamic State militants have killed at least 500 members of Iraq’s Yazidi ethnic minority during their offensive in the north, Iraq’s human rights min(...)

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(...)

People gather at the site of a car bomb attack in Baghdad’s Sadr City on Friday. Violence has killed 1,737 people, mostly civilians, in Iraq in July. Photograph:  Wissm al-Okili/Reuters

Islamic State fighters seized control of Iraq’s biggest dam, an oilfield and three more towns today after inflicting their first major defeat on Kurdi(...)