Syrian army tightens grip around Aleppo, says offers safe passage

BEIRUT/MOSCOW (Reuters) - Pro-government forces tightened their grip around the besieged Syrian city of Aleppo on Thursday where the local governor said safe corridors had been opened for civilians to escape rebel-held areas. A quarter of a million civilians still live in Aleppo's opposition-controlled eastern neighborhoods, effectively under siege since the army and allied militia cut off the last road into rebel districts in early July. State television quoted the governor of Aleppo as saying