Sky News Australia | Three people missing in Qld's north-west Sky News Australia A man and his two teenage sons are missing after failing to return from a prospecting trip in outback Queensland. David Hickmott, 51, and his sons aged 18 and 16, had been due to return to Townsville from a prospecting trip to Richmond on Monday. Dad and two sons go missing Father and his two sons missing between Richmond and Townsville in north Queensland |