Update: White House says violence is not the answer in Syria but attack on Assad's inner circle shows "window is closing." White House says international community needs to act in a unified way.
White House says it has no information on Syrian leader Bashar al-Assad's whereabouts; White House goes on to say the U.S. is closely monitoring Syria's military facilities and believes its chemical stockpile remains under government control.
BEIRUT/KARKAMIS, Turkey Turkish-backed forces pushed deeper into northern Syria on Monday and drew a rebuke from NATO ally the United States, which said it was concerned the battle for territory had shifted away from targeting Islamic State. | Video