Fighting rages on in the streets of Aleppo.<br/> <br />On Monday, Syrian troops said they had recaptured a rebel-held district in the commercial hub.<br/> <br />But these latest battles have seen President Bashar al-Assad's forces hard pressed to keep control in Syria's major cities as rebel forces gained momentum.<br/> <br />Amateur footage that cannot be independently verified shows fierce fighting in the streets on Sunday.<br/> <br />Across the border, neighbour Turkey beefed up security amid escalting violence.<br/> <br />On Monday convoys of trucks and amoured vehicles made their way to Kilis province.<br/> <br />Turkey's government, once a staunch Syria supporter, is calling for Assad to step down to end the violence that has seen thousands die and many more flee the country.<br/> <br />Jessica Gray, Reuters
