While no group immediately claimed responsibility for the attack, fingers are being pointed at Daesh, which is making a last-ditch effort to keep control of Mosul.
More than 100 Daesh members in the Kirkuk region have been jailed and another 250 are in prison awaiting trial, but sleeper cells still pose a threat with surprise attacks.
The Iraqi army has taken control of the last major road out of western Mosul as part of a US and Iran-backed military campaign to drive Daesh out of their last stronghold in Iraq.
As the battle rages on between Iraqi forces and Daesh in Mosul, the future remains uncertain for many residents there.
The forces have dislodged Daesh from the hilltop village of Abu Saif, which overlooks the airport. The operation is part of a major offensive launched in October to drive Daesh out of Mosul.
Iraqi forces say they are close to recapturing the entire eastern bank of the Tigris river, bringing them in full control of eastern Mosul, and thus half of Daesh's last major stronghold in Iraq.
As a military offensive to retake Iraq's second largest city gathers momentum, residents seek to escape the fighting.
The operation to retake Mosul from Daesh began in October with a 100,000 strong coalition consisting of the Iraqi army, peshmerga soldiers and Popular Mobilisation Forces.
A baby born was born just as the terrorist group Daesh was forced out. Now he's one of 40,000 displaced Iraqis forced into poorly equipped camps in the Nineveh Plains.
Defence Minister Khaled al-Obeidi's sacking came at a time when the Iraqi military was about to launch a key offensive to retake Mosul from DAESH.
Protesters in Iraq's Green Zone disband after issuing political demands, though pledging to return by the end of the week to keep up the pressure.
Hundreds of followers of Shiite cleric Sadr storm Baghdad's Green Zone and enter parliament building, protesting government's failure to reform
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