Members of the Iraqi Army fire towards Islamic State militant positions at the south of Mosul, Iraq December 10, 2016. (Photo by Alaa Al-Marjani/Reuters)





Members of the Iraqi Army fire weapons during clashes with Islamic State militant at the south of Mosul, Iraq December 10, 2016. (Photo by Alaa Al-Marjani/Reuters)





Members of the Iraqi Army fire towards Islamic State militant positions at the south of Mosul, Iraq December 10, 2016. (Photo by Alaa Al-Marjani/Reuters)





A member of the Iraqi Army fires his weapons during clashes with Islamic State militant at the south of Mosul, Iraq December 10, 2016. (Photo by Alaa Al-Marjani/Reuters)





An Iraqi soldier uses his helmet to distract the opposing sniper during clashes with Islamic State militants at the south of Mosul, Iraq December 10, 2016. (Photo by Alaa Al-Marjani/Reuters)





Members of the Iraqi Army ride in a tank during clashes with Islamic State militants, south of Mosul, Iraq December 10, 2016. (Photo by Alaa Al-Marjani/Reuters)





Members of the Iraqi Army fire towards Islamic State militant positions at the south of Mosul, Iraq December 10, 2016. (Photo by Alaa Al-Marjani/Reuters)





Iraqi fighters from Hashid Shaabi take part in a training at Makhmur camp in Iraq December 11, 2016. (Photo by Mohammed Salem/Reuters)





Iraqi fighters from Hashid Shaabi take part in a training at Makhmur camp in Iraq December 11, 2016. (Photo by Mohammed Salem/Reuters)





Members of the U.S. Army Special Forces provide training for Iraqi fighters from Hashid Shaabi at Makhmur camp in Iraq December 11, 2016. (Photo by Mohammed Salem/Reuters)





Iraqi fighters from Hashid Shaabi take part in a training at Makhmur camp in Iraq December 11, 2016. (Photo by Mohammed Salem/Reuters)





Policemen look through a hole in a house from the clashes in Qaraqosh, near Mosul, Iraq, December 9, 2016. (Photo by Alaa Al-Marjani/Reuters)





A U.S. Army Special Forces personnel provides training for Iraqi fighters from Hashid Shaabi at Makhmur camp in Iraq December 11, 2016. (Photo by Mohammed Salem/Reuters)





Iraqi fighters from Hashid Shaabi take part in a training at Makhmur camp in Iraq December 11, 2016. (Photo by Mohammed Salem/Reuters)





A member of the Iraqi security forces stands at a checkpoint near Hammam al-Alil, south of Mosul, Iraq December 11, 2016. (Photo by Ammar Awad/Reuters)





Members of the Iraqi security forces ride a military vehicle near Hammam al-Alil, south of Mosul, Iraq December 11, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi security forces looks at a Humvee at a checkpoint near Hammam al-Alil, south of Mosul, Iraq December 11, 2016. (Photo by Ammar Awad/Reuters)





Members of the Iraqi Army fire weapons during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi Army stands during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi Army walks during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi Army fires during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





The shadow of a member of the Iraqi Army is cast on a wall during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi Army shoots during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi Army gets over a window during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi Army carries a pouch with magazines during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi Army walks passes by a displaced woman during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





Members of the Iraqi security forces ride a military vehicle during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





Members of the Iraqi Army fire weapons during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi Army fires during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





A member of the Iraqi Army carries anti missiles during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





Members of the Iraqi Army smoke waterpipe as they rest during clashes with Islamic State militants at the south of Mosul, Iraq December 12, 2016. (Photo by Ammar Awad/Reuters)





Displaced Iraqis, who fled the Islamic State stronghold of Mosul, walk at Khazer camp, Iraq, on December 12, 2016. (Photo by Mohammed Salem/Reuters)





Displaced Iraqi who fled the Islamic State stronghold of Mosul, warm themselves by a fire at Khazer camp, Iraq, on December 12, 2016. (Photo by Mohammed Salem/Reuters)





A young boy plays in a wheelbarrow as other displaced Iraqis, who fled the Islamic State stronghold of Mosul, walk by at Khazer camp, Iraq, on December 12, 2016. (Photo by Mohammed Salem/Reuters)





Displaced Iraqis, who fled the Islamic State stronghold of Mosul, walk at Khazer camp, Iraq, on December 12, 2016. (Photo by Mohammed Salem/Reuters)





A displaced Iraqi man, who fled the Islamic State stronghold of Mosul, pushes his mother in a wheelbarrow at Khazer camp, Iraq, on December 12, 2016. (Photo by Mohammed Salem/Reuters)





Displaced Iraqi children, who fled the Islamic State stronghold of Mosul, carry a mattress at Khazer camp, Iraq December 13, 2016. (Photo by Ammar Awad/Reuters)





Displaced Iraqi girls, who fled the Islamic State stronghold of Mosul, play at Khazer camp, Iraq December 13, 2016. (Photo by Ammar Awad/Reuters)





An Iraqi family sits in the back of a pickup truck in Al-Zohor district, east of Mosul, Iraq, December 13, 2016. (Photo by Ahmed Jadallah/Reuters)





An Iraqi family is seen in Al-Zohor district, east of Mosul, Iraq, December 13, 2016. (Photo by Ahmed Jadallah/Reuters)





A displaced Iraqi woman, who fled the Islamic State stronghold of Mosul, washes dishes at Khazer camp, Iraq December 13, 2016. (Photo by Ammar Awad/Reuters)





Displaced Iraqi children, who fled the Islamic State stronghold of Mosul, gather at Khazer camp, Iraq December 13, 2016. (Photo by Ammar Awad/Reuters)





Displaced people who fled the clashes from Mosul during a battle with Islamic State militants are seen at the south of Mosul, Iraq, December 13, 2016. (Photo by Alaa Al-Marjani/Reuters)





Vehicles of Iraqi Special Operations Forces (ISOF) drive during a battle with Islamic State militants in Al-Falah neighborhood eastern Mosul, Iraq, December 13, 2016. (Photo by Reuters/Stringer)





A restaurant named Trump Fish is seen in the Kurdish city of Duhok, Iraq, December 11, 2016. (Photo by Ari Jalal/Reuters)





People take pictures of a meal of roasted carp at a restaurant named Trump Fish in the Kurdish city of Duhok, Iraq, December 11, 2016. (Photo by Ari Jalal/Reuters)





A man grills fish at a restaurant named Trump Fish in the Kurdish city of Duhok, Iraq, December 11, 2016. (Photo by Ari Jalal/Reuters)





Members of tribal fighters hold weapons during clashes with Islamic State militants at the south of Mosul, Iraq December 14, 2016. (Photo by Ammar Awad/Reuters)





Members of tribal fighters stand at a checkpoint during clashes with Islamic State militants at the south of Mosul, Iraq December 14, 2016. (Photo by Ammar Awad/Reuters)





Weapons and ammunition belonging to Islamic State militants are seen in the town of Bashiqa, east of Mosul, Iraq, December 14, 2016. (Photo by Azad Lashkari/Reuters)





Iraqi youth sit in a wheelbarrow in Khazer camp for the displaced, Iraqi Kurdistan, Iraq, Monday, December 12, 2016. A new report criticizes the U.S.-led coalition against IS for their lack of transparency when assessing civilian casualties. (Photo by Manu Brabo/AP Photo)





An Iraqi girl plays atop of a carriage in Khazer camp for the displaced in Iraqi Kurdistan, Iraq, Monday, December 12, 2016. (Photo by Manu Brabo/AP Photo)