Visiting U.S. Defense Secretary Ash Carter, center left, walks with Iraqi Defense Minister Khaled al-Obeidi, center right, on his arrival to the Iraqi Ministry of Defense, Baghdad, Iraq, Monday, July 11, 2016. (AP Photo)

IS in disarray in Qayarah after Iraqis push north of key air base

After the loss of Q-West to Iraqi forces on Saturday, signs emerge that the IS group is crumbling south of Mosul, just as more American troops are announced for the fight.