A plane fighting bushfires in the Australian state of New South Wales crashes, killing its pilot.<br/> <br />The plane was dousing water in bushland just south of Sydney.<br/> <br />The accident comes as the military faces criticism for starting one of the major fires.<br/> <br />The fire service says an investigation has found a fire was ignited by live ordnance.<br/> <br />(SOUNDBITE) (English) NEW SOUTH WALES RURAL FIRE SERVICE COMMISSIONER, SHANE FITZSIMMONS, SAYING:<br/> <br />"The fire investigation was conducted. We worked in concert with New South Wales police. We worked in concert with the military. We went out, I won't go into detail of the investigative technique. The fire investigators visited the location. They identified the cause and location, and it was a result of a detonation on the live firing range."<br/> <br />The military says it is cooperating with investigators.<br/> <br />Thousands of firefighters on land and in air have been mobilized to tackle the fires, which have quickly spread in the hot, d
