Gun and heavy artillery battles rage in what is purportedly a Damascus neighborhood.<br/> <br />This amateur video, posted online amid reports of the third day of fighting in Midan, cannot be independently verified.<br/> <br />Other footage appears to show tanks and armoured vehicles driving into the city.<br/> <br />Activists say President Bashar al-Assad's forces are surrounding rebellious areas of the capital like Midan.<br/> <br />The Red Cross now classifies the 17-month-old conflict as a civil war.<br/> <br />Lindsey Parietti, Reuters
