Police have revealed that the distress signal was genuine and that it was left in the outback in 2013. Spotted last month in Western Australia, the 'SOS' signal had prompted an extensive search of the region over fears that someone had become stranded out in the middle of nowhere. The letters 'SOS' had been spelled out by arranging dozens of small rocks on the ground and appeared to have been left by someone who was in genuine need of assistance. A search of the remote area, which was situated 300 miles from the city of Broome, yielded indications of a campfire but no clues to explain who might have been there. Now though, the police in Australia have revealed that the sign was most likely created by a man and woman who had become genuinely stranded in the region four years ago. The man's brother