Rebels take control of an air base just outside Damascus.<br/> <br />Amateur video out of Syria which could not be independently verified by Reuters, comes after four days of fighting.<br/> <br />Rebels are also trying to take the 20-month-old revolt to the heart of Damascus. They have dubbed this week "March to Damascus Week".<br/> <br />Rebel forces received a diplomatic lift Tuesday with Britain officially recognizing the opposition Syrian National Coalition.<br/> <br />It's the ninth country to do so following France, Turkey and the Gulf Arab states.<br/> <br />More footage appears to show a government bombing campaign in Aleppo Province.<br/> <br />The pro-opposition Syrian Observatory for Human Rights says 100 people were killed in violence in Syria Tuesday, 64 of them civilians
