An Iraqi drone strike has killed nine members of a pro-government militia force in an apparent case of so-called friendly fire.
Iraqi Prime Minister Haidar al-Abadi has pledged to stamp out graft this year.
The arrest on terror charges this week of two Iraqis who entered the United States as refugees is fueling sentiment in Congress against the program for resettling refugees from the Middle East.
Turkish President Recep Tayyip Erdogan said Turkey needs to keep troops in northern Iraq after they thwarted a planned attack on its military training camp there this week by Islamic State militants.
Turkey says it has repelled an attack by the Islamic State (IS) group on its troops in Bashiqa in northern Iraq.
U.S. authorities on January 7 arrested two Iraqi refugees on terrorism-related charges in California and Texas.
Islamic State (IS) spokesman Abu Muhammad al-Adnani has been wounded in an air strike in Iraq's western Anbar Province, Iraq's Joint Operations Command said on January 7.
The White House is seeking to help Iraq's leadership prevent a diplomatic rift between Saudi Arabia and Iran from aggravating sectarian conflict in Iraq and undermining recent victories against the Islamic State group.
The U.S.-led coalition fighting Islamic State (IS) militants says its air strikes have cut oil production by the group in Syria and Iraq by around 30 percent.
Germany says nearly 1.1 million asylum seekers were registered in the country last year, with Syrians making up almost 40 percent of arrivals.
Iraq's foreign minister said his country will mediate to try to resolve the latest diplomatic crisis between Iran and Saudi Arabia, sparked by Riyadh's execution of a prominent Shi'ite cleric.
The territory controlled by the Islamic State (IS) in Iraq and Syria shrank by nearly one-third last year, according to the U.S.-led coalition fighting the radical Islamic group.