The Sydney Morning Herald | Mystery SOS sign found in a remote part of Western Australia's Kimberley The Sydney Morning Herald An SOS sign made out of rocks has been spotted in a remote part of Western Australia, sparking fears someone - or some people - could be missing. SHARE; Share on Facebook SHARE; Share on Twitter TWEET; Link. The SOS sign spotted by a helicopter ... Mystery SOS Message in Australian Outback Sparks Rescue Mission Mystery SOS sign confuses police in Western Australia |