RCMP on Prince Edward Island have intensified their search for a missing man.

Everett Clow, 90, from Charlottetown, was last seen on Thursday in Hunter River.

He was reported missing after a doctor's appointment at 9:15 a.m. Thursday.

His truck was found on the roadside near North Rustico.

Saturday, police called in an underwater recovery team to join the search. Parks Canada, RCMP and P.E.I. P.E.I. Ground Search and Rescue are also involved.

Helicopters have been flying over the area where Clow was last seen, while search and rescue crews continue to scour the area where his truck was found.

Rescue crews are also looking off the coast for signs that Clow entered the water.

Clow is 5 foot 8 inches tall and 180 pounds and has white hair. He may be wearing glasses. He was last seen wearing black pants, a two-tone jacket and a silver shirt.

Anyone with information on his whereabouts is asked to call the RCMP at 566-7112 or their local police.