Ban's meeting with Shi'ite Grand Ayatollah Ali al-Sistani underscored the 83-year-old cleric's vast sway in Iraq, where Prime Minister Nuri al-Maliki is considered a polarising figure
76-year-old Fuad Masum, who also served as the first prime minister of autonomous Iraqi Kurdistan in 1992-1993, reportedly emerged as the only candidate of the Kurdish blocs.
A huge attack on a prisoner convoy in Iraq has reportedly killed at least 60 people.
"The International Union of Muslim Scholars (IUMS) condemns the forced expulsion of the Christian brothers of Iraq from their homes, cities and provinces," the group said in a statement
Iraq's politicians have been deadlocked over forming a new government since an election in April
Residents of Falluja and the nearby town of Garma said helicopters fired artillery and dropped three barrel bombs on Falluja and two on Garma.
Saddam-era fighters reject "changing the country's political and demographic structure" as Christians flee from ISIL threats.
Protesters gathered to march against the exile of Christians from Mosul by the Islamic State of Iraq and the Levant (ISIL) rebel group.
A tribal leader and former army officer said the dead were all civilians, and also included an elderly couple
UN Secretary General Ban Ki-moon condemned ISIL for forcing the Christian community to leave Mosul.
Kurdish Regional Government President Barzani denounced the 'inhuman' threats from militants in Mosul
The Kurds, who have their own armed forces known as the "peshmerga", now share all but 15 kilometres (10 miles) of their southern border with insurgents.
In broadcast footage of the octogenarian earlier this year, he appeared much weakened, suggesting he is unlikely to reprise an active role in politics.
In the first explosion, a car bomber drove into a police checkpoint, killing nine people including seven policemen and wounding 21 people in the Abu Dsheer district in the south of the capital
The United Nations say more than 2 million people have been displaced within Iraq, most of them forced from their homes by conflict in the western province of Anbar
The report documents what it calls "systematic and egregious violations" of international law
Kurdish forces took control of production facilities at the Kirkuk and Bai Hassan northern fields on July 11, exploiting a power vacuum created by an Iraqi military withdrawal
Tehran sends a delegation to the capital of the Kurdish Regional Government to discuss the schism with the central Iraqi government.
Government troops and allied Shi'ite volunteer fighters were forced to retreat after coming under heavy mortar shelling and sniper fire
The Iraqi Kurdish Regional Government aims to increase its oil exports to Turkey to 400,000 barrels per day after officials' Ankara talks.
Iraq's parliament met for talks aimed at breaking a political impasse which has held up the formation of a government to tackle an insurgency which swept through northern Iraq towards Baghdad.