Cheering rebels parade a tank apparently captured from government forces through the streets of Aleppo.
The northern city has become the frontline for the insurgency. Other video posted to a social media websute show rebels taking positions against Syrian forces in what is turning out to be a street by street fight for control of the city.
Locals could be seen trying to flee the city on Sunday.
President Bashar al Assad's forces are struggling to maintain their grip on the country after an explosion killed several of his inner circle two weeks ago.
Deborah Gembara, Reuters