Sandra Hall, 80, a former member of The Platters, has been missing since Friday after boarding a subway in Brooklyn. Suffering from dementia, her family is deeply concerned and following up on a possible sighting in the Bronx. Hall, who joined The Platters in 1965, was last seen wearing gray pants, white sneakers, and a pink shirt. Post navigation ‘Useful idiot’: Inside China’s long game – How Xi is squeezing Trump over trade What is ‘quiet firing’ and are you facing it at work? 5 signs you must notice