ManitobaStewart Campbell was last seen at about 3:30 a.m. on Tuesday in Stonewall, Man., RCMP said in a Friday news release. Silver alerts are issued when vulnerable adults go missing.Stewart Campbell may be driving grey 2006 Pontiac Grand Prix with Manitoba licence plate number HET 278CBC News · Posted: Jul 18, 2025 10:46 PM EDT | Last Updated: 7 hours agoStewart Campbell, 69, was last seen near Stonewall, Man., on Tuesday, July 15, at about 3:30 a.m., according to a Manitoba RCMP silver alert issued on Friday evening. (Submitted by RCMP)RCMP in Manitoba have issued a silver alert for a 69-year-old man who hasn’t been seen in days.Stewart Campbell was last seen at about 3:30 a.m. on Tuesday in Stonewall, Man., RCMP said in a Friday evening news release. Campbell may be confused or disoriented, police said.Silver alerts are issued when vulnerable adults go missing.Campbell is 5-foot-8 in height and weighs 110 pounds. RCMP say he has grey shaggy hair, blue eyes and he is clean-shaven. He was last seen wearing a burgundy sweatshirt with light-coloured blue jeans and black work boots.Stewart Campbell may be driving a grey 2006 Pontiac Grand Prix, similar to the one shown here, with the Manitoba licence plate number HET 278. (Submitted by RCMP)He may be driving a grey 2006 Pontiac Grand Prix with the Manitoba licence plate number HET 278.Anyone with information that could help investigators is asked to call Stonewall RCMP at 204-467-5015. Tips can also be submitted to Crime Stoppers at 1-800-222-8477 or online.More from CBC Manitoba: