The content originally appeared on: CNN This story contains a disturbing image. (CNN)Several shots ring out in quick succession, cutting through a clear, blue spring morning in Jenin, in the West Bank. Crack, crack, crack, crack, crack, crack, crack. The cameraman filming the scene scrambles backwards to take cover behind a low concrete wall. Then a man cries out in Arabic: 'Injured! Shireen, Shireen, oh man, Shireen! Ambulance!' When the camera operator pans around the corner, Al Jazeera journalist Shireen […]