Syrian rebel group blows up Assad forces' HQ in Aleppo

ALEPPO, SYRIA - JULY 29 : Assad forces headquarter is seen after Syrian rebels set up explosives beneath some of the Assad's barracks' buildings, which they reached through a network of tunnels, and blow up on July 29, 2014. Syrian opposition group Islamic Front has claimed it has killed at least 50 soldiers loyal to President Bashar al-Assad after blowing up several army headquarters in opposition-controlled Aleppo on July 29, 2014. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)