The Islamic Front rebel alliance claimed responsibility for the attack . The group says it killed at least 50 Syrian soldiers . State - run media says the Syrian Army killed dozens of terrorists . The group said it targeted the Carlton Citadel Hotel and several other buildings in the old city of Aleppo . Well over 500 people have been killed in Syria 's civil war .
The Islamic Front rebel alliance claimed responsibility for the attack . The group says it killed at least 50 Syrian soldiers . State - run media says the Syrian Army killed dozens of terrorists . Well over 500 people have been killed in Syria 's civil war .