Sirens fill smoke covered streets in Aleppo.<br/> <br />Amateur video, which can not be independently verified by Reuters, appears to show confusion in the aftermath of a government strike.<br/> <br />Aleppo, once the commercial hub of the country, is split apart between opposition groups in the east and government forces in the west.<br/> <br />Hidden in the fog of war -- a man clings to a wounded child.<br/> <br />As government forces try to cut off supply routes, rebels fight back.<br/> <br />Almost 200,000 people in Syria have been killed in more than three years of war -- with few signs of anyone putting down arms.
