Syria’s official SANA news agency announced on Saturday that government forces’ land and air attacks against a military base occupied by the militants in the south of the besieged city.

In the meantime, Damascus has rejected the terrorists’ claim to have gained control over the main fortress-like artillery academy in the al-Ramouseh quarter of Aleppo.

Damascus has also dismissed reports that the Takifiri militants had broken through the government forces' siege on Aleppo.

According to military sources, large numbers of terrorists have been killed and many others have sustained injuries in heavy fighting over the past few days. A large number of vehicles as well as equipment belonging to the militants were also destroyed.

The so-called Syrian Observatory for Human Rights said that 500 terrorists and government forces were killed in one week of fierce fighting aimed at controlling the strategic city.

Aleppo has been divided between government forces in the west and the militants in the east since 2012. Some 250,000 civilians have been living under siege in Aleppo's militant-held areas since the army cut off the last road into militant-held districts in early July.

Syria has been gripped by foreign-backed militancy since March 2011. UN Special Envoy for Syria Staffan de Mistura estimates that over 400,000 people have been killed in the conflict, Press TV reported.

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