Sydney [Australia], August 12 (ANI): A helicopter crashed into the roof of a Hilton hotel in Australia on Monday, local media cited police. The Australian Broadcasting Corporation (ABC), citing police sources, said the pilot, who was the only person in the chopper died. The crash set off a fire atop the building and forcing a mass evacuation. Two other people were rushed to Hospital and are in a stable condition, police said. ABC reported that the company that charters the helicopter, Nautilus Aviation, said the pilot was on an “unauthorised” flight. Queensland Police said that it is investiga…