In this Sunday, Jan. 5, 2014 picture, a gunman aims his weapon during clashes with Iraqi security forces in Fallujah, Iraq. Clashes continued late Sunday and early morning Monday between al-Qaida and Iraqi troops on the main highway that links the capital, Baghdad, to neighboring Syria and Jordan. Al-Qaida fighters and allied tribes are still controlling the center of the city where they are deployed in streets and around government buildings. (AP Photo)