Syrian government forces clash with rebels in Aleppo

Syrian government forces hold up their weapons as they deploy themselves in the streets of Syria's second city Aleppo on February 20, 2013. 'The clashes around Kwayris military airport were fierce today, and there were also intermittent battles around Aleppo international airport and Nayrab military air base,' the Syrian Observatory for Human Rights' director Rami Abdel Rahman told AFP. (AFP/Getty Images)