The wife of British hostage Alan Henning has called on “the people of the Islamic State to see it in their hearts to release my husband”, describing him as a “peaceful, selfless man”.
The militant Islamic State group has released a video warning the US that fighters await in Iraq if Barack Obama sends troops there.
The US military has stepped up its campaign against Islamic State (IS) militants with five airstrikes across Iraq.
US president Barack Obama has told congressional leaders that he has the authority he needs to carry out a broader campaign to root out the violent extremists in Iraq and Syria.
The US military says it has launched airstrikes around Haditha dam in western Iraq, targeting Islamic State (IS) insurgents for the first time in the area as the group tries to capture the vital dam.
Militants from the Islamic State (IS) group carried out a mass killing of hundreds of Iraqi soldiers captured when the extremists overran a military base north of Baghdad in June, a leading international watchdog has said.
Amnesty International says it has uncovered "gruesome" evidence of ethnic cleansing in northern Iraq by Islamic State (IS) militants.
Aid has begun to flow to a small northern Shiite town in Iraq, a day after security forces backed by Iran-allied Shiite militias and US airstrikes broke a two-month siege by Sunni militants.
The Pentagon has revealed its military operations in Iraq have cost around €560m since mid-June.
At least 11 people were killed and 31 others injured when a car bomb exploded in a busy Shiite area of eastern Baghdad, Iraqi officials said.
Nouri Maliki has given up his post as Iraq’s prime minister to Haider Abadi, state television reported today – a move which could end a political deadlock that plunged Baghdad into uncertainty as the country fights a Sunni militant insurgency.
A volunteer said she had “never seen so many people scramble for survival” as she helped drop aid to the tens of thousands of Yazidis trapped on Mount Sinjar in northern Iraq.
Another 130 US troops have arrived in Iraq on what the Pentagon described as a temporary mission to assess the scope of the humanitarian crisis facing thousands of displaced civilians trapped on Sinjar Mountain.
Iraq is facing a fierce political power struggle even as the country battles extremists in the north and west, after its president went over the head of incumbent prime minister Nouri Maliki and picked another politician to form a new government.
The grandfather of a seven-year-old boy pictured clutching the severed head of a Syrian soldier has urged the Australian government to bring the child home.
A new round of airstrikes by US fighter jets and unmanned drones has targeted Islamic militants in Iraq.
President Barack Obama has authorised US airstrikes in northern Iraq, warning they would be launched if needed to defend Americans from advancing Islamic militants and protect civilians under siege.
At least 27 people were killed in a series of bombings across Baghdad today, including three over a span of less than 10 minutes.
Some 50 bodies have been discovered outside a city south of Baghdad, many of them blindfolded and with their hands bound.
Dozens of Indian nurses stranded in territory held by Islamic extremists in Iraq returned home to southern India today aboard a special flight, officials said.