Deputy Prime Minister and Local Government Minister Omar Ghalawanji was appointed caretaker premier on Monday.
Hijab is currently in Jordan and according to his spokesman he would leave for Qatar within days.
But despite the clashes, Aleppo’s city center is reported to be calm. The neighborhood housing the state television and radio is also quiet and under government control. The armed insurgents had earlier claimed that they’d taken control of TV building after heavy battles.
Syrian troops have also discovered a terrorists' hideout in Rukin al-Deen neighborhood in the capital.
The West and the Syrian opposition accuse the government of killing protesters. But Damascus blames ''outlaws, saboteurs and armed terrorist groups'' for the unrest, insisting that it is being orchestrated from abroad.