The Syrian government's massive offensive in northern Hama has suffered an initial setback after multiple armored vehicles were destroyed in a melee of anti-tank guided-missile fire that activist media dubbed a "tank massacre."The Syrian Observatory of Human Rights reported that rebel fighters in the north Hama region had met the joint Russian-Syrian assault by targeting the attacking regime forces on the ground "with US-made TOW missiles and other guided rockets, which caused the destruction of over 15 armored cars, vehicles and tanks."