<div>Syrian rebel groups have pulled out of more towns in the Eastern Ghouta, as the government tightens its grip on the enclave outside Damascus.&nbsp;</div>''<div><br />''</div>''<div>Buses carrying fighters, their families and others left the area late yesterday, leaving the city of Douma as the last rebel-held stronghold.&nbsp;</div>''<div><br />''</div>''<div>The evacuations followed a deal between government forces and a local rebel group, Faylaq al-Rahman.</div>''<div><br />''</div>''<div>About 70 percent of the Eastern Ghouta is reportedly now under government control.&nbsp;</div>''<div></div>''<div>Hundreds of people have been killed since Syrian government forces, supported by the Russian military, launched an offensive on the rebel-held territory last month.</div>