Syria's opposition has reacted to the Houla massacre -- effectively saying that all bets are off.<br /><br />Burhan Ghalioun, who heads the Syrian National Council, says if the international community does not intervene with force, then the battle for freedom will begin. <br /><br />Earlier, Syria's government denied any responsibility for the massacre, which left more than 90 people dead -- a third of them children.<br /><br />Al Jazeer'a Rosiland Jordan reports.