A fresh appeal to trace an elderly man with Alzheimer’s disease who has been missing for almost a month was made tonight.Police said Robert Douglas, 72, was captured on a CCTV camera walking east on Angle Street in Hamilton, near its junction with North Street, just after 7.30pm on March 24.Now a new missing poster, with stills from footage of Mr Douglas, has been released.A police spokesman said finding Mr Douglas, of My Lord’s Bay Lane, Hamilton Parish, was “a matter of priority”.He said officers continued to review CCTV footage as part of the effort to find the missing man and appealed for businesses and homeowners in Hamilton and North Hamilton with CCTV camera footage that could assist the hunt to contact police.Mr Douglas is 6ft 2in to 6ft 3in tall, of slim build and with a dark complexion.He was wearing a faded blue hat, a blue sweat top over a dark long-sleeved shirt, long black sweatpants, long red socks and black sneakers with white trim when last seen.Anyone with information that could help the inquiry or with CCTV cameras that cover the city areas highlighted should call 247-1624, or 911,