RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / YOUTUBE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS - AFP IS USING PICTURES FROM ALTERNATIVE SOURCES AS IT WAS NOT AUTHORISED TO COVER THIS EVENT, THEREFORE IT IS NOT RESPONSIBLE FOR ANY DIGITAL ALTERATIONS TO THE PICTURE'S EDITORIAL CONTENT, DATE AND LOCATION WHICH CANNOT BE INDEPENDENTLY VERIFIED An image grab taken from a video uploaded on YouTube on August 19, 2011 shows Syrian security forces taking position in the central city of Hama during military operations. Syria has repeatedly said it is battling "armed gangs" -- a claim denied by rights groups who say the regime's crackdown on anti-government protests has killed over 2,000 people since mid-March. AFP PHOTO/YOUTUBE (Photo credit should read -/AFP/Getty Images)