see more
Smoke billows following air strikes by regime forces on rebel positions during intense fighting in Aleppo on August 18, 2016.
Southern Aleppo has been the scene of intense fighting since July 31, when the "Army of Conquest" alliance launched a major offensive to break a regime siege of opposition-controlled districts in the city's east. / AFP / GEORGE OURFALIAN (Photo credit should read GEORGE OURFALIAN/AFP/Getty Images)