Free Syrian Army fighters stand next to United Nations Disengagement Observer vehicles in the southern province of Daraa, Syria, near the Golan Heights, on Wednesday, March 6, 2013, in an image taken from video obtained from Ugarit News and authenticated based on its contents and other AP reporting. Clashes between Syrian troops and rebel fighters flared on Thursday near an area where armed fighters linked to the opposition abducted 21 U.N. peacekeepers a day earlier. (AP Photo/Ugarit News via AP video)

Photo by: Uncredited

Free Syrian Army fighters stand next to United Nations Disengagement Observer vehicles in the southern province of Daraa, Syria, near the Golan Heights, on Wednesday, March 6, 2013, in an image taken from video obtained from Ugarit News and authenticated based on its contents and other AP reporting. Clashes between Syrian troops and rebel fighters flared on Thursday near an area where armed fighters linked to the opposition abducted 21 U.N. peacekeepers a day earlier. (AP Photo/Ugarit News via AP video)