DAMASCUS: Aleppo the commercial hub of Syria has been sieged by Syrian Army with the support of Russian airstrikes.
Hassan Haj Ali head of rebel group claimed that Russia is launching more than 250 airstrikes in a day in northwest of Syria .
Syrian Government and its allies had encircled Aleppo and cut off the main supply route.
An opposition spokesman claimed the Government decided to siege Aleppo which will cause humanitarian disaster; the international community has to take concrete steps on urgent basis to resolve it.
Iran stated that one of his General has been killed on the front line which proves that Tehran is an ally of Moscow in the civil war of Syria .
More than 260,000 people have been killed and 11 million driven from their homes in a 5 years Syrian conflict.