According to a military source in Aleppo, the reinforcements came from the 1st Armored and 4th Mechanized divisions of the Syrian Arab Army.
These Syrian Army reinforcements were originally deployed to the Damascus front; however, the growing need for military personnel to combat the looming offensive required this mobilization.
In the coming days, more Syrian Army soldiers are expected to arrive in Aleppo, as they strengthen the government's defenses around the southern corridor of the city.
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