Police and family are seeking the public's help to find 33-year-old Sam Newton-Jones, whose car was found near Piha's Mercer Bay LoopCrimeOct 20 at 10:27 PM – Oct 21 at 1:11 AM3 outletsNew ZealandNewshubMissing man’s car found at Mercer Bay Loop near Piha Oct 20 at 10:27 PMRNZFamily, police appeal to public for help finding PhD student Sam Newton whose car was found at Piha's Mercer Bay loop track Oct 20 at 11:06 PM1News'Much-loved' Auckland dad missing – car found near Piha seen Oct 21 at 1:11 AM