CNN 's Nick Paton Walsh reflects on his reporting from Syria 's front line . The Syrian government has been accused of using chemical weapons against its own people, but the United Nations says it is investigating reports that rebels have used sarin gas to attack civilians and military targets inside Syria. It was generally chaotic , and pretty much punctuated all day long with the sound of shelling , or jets flying in to hit civilian areas . '' Paton Walsh on Aleppo in 2012 : `` People did n't really know where the front lines were ''
CNN 's Nick Paton Walsh reflects on his reporting from Syria 's front line . The Syrian government has been accused of using chemical weapons against its own people, but the United Nations says it is investigating reports that rebels have used sarin gas to attack civilians and military targets inside Syria. Paton Walsh on Aleppo in 2012 : `` People did n't really know where the front lines were ''