Ammon News - Syrian authorities closed Aleppo airport as well as all roads leading into the city on Saturday, three military sources told Reuters.
The Syrian army has been told to follow "safe withdrawal" orders from the main areas of the city that the armed group have entered, three army sources said.
The armed group began their incursion on Wednesday and by late Friday an operations room representing the offensive said they were sweeping through various neighbourhoods of Aleppo.