ISIL, radical Islamists who want to re-create a mediaeval-style caliphate straddling Iraq and Syria, has stormed largely unopposed across much of northern Iraq
Another 50 U.S. special operations forces have arrived in Baghdad under the newly appointed command of a two-star general
"The Sunni tribes will come out on top. It's their country. They have something to fight for."
Victims include a number of confirmed summary executions committed by forces of the Islamic State of Iraq and the Levant (ISIL)
Kerry's visit came after Sunni militants took strongholds along the border with Syria at the weekend, strengthening their supply routes
With the defection of key Sunni allies in the ISIL offensive, sources have dried up and the agency is struggling for intelligence
Iranian President Hassan Rouhani said, " the big Iranian nation will not hesitate to protect holy shrines," as the ISIL advanced
ISIL fighters have been joined by other armed Sunni groups who oppose what they say is oppression by Prime Minister Nuri al-Maliki, a Shi'ite
U.S. Secretary of State John Kerry called the advance of militants from the Islamic State of Iraq and the Levant (ISIL) an "existential threat" for Iraq
The stunning onslaught by militants from the Islamic State of Iraq and the Levant threatens to dismember Iraq and unleash all-out sectarian warfare across a crescent of the Middle East
The central government's army abandoned its posts in a rapid collapse that has lost it control of the north.
Sunni rebels from an al Qaeda splinter group overran the Iraqi city of Tikrit on Wednesday and closed in on the biggest oil refinery in the country