INTERLACHEN, Fla. -

Deputies in Putnam County are looking for a missing 79-year-old Interlachen man.

They said John Hansen was last seen Sunday leaving his home. He was driving a maroon, 2010 Ford F-150 crew cab truck with Florida license plate L754UM.

Hansen has been diagnosed with dementia and early stages of Alzheimer's disease. He also has hypertension, which requires medication.

A Silver Alert has been issued for Hansen. If you have seen him or have any information on his whereabouts, call Detective Virgil White at 386-329-0480 or the Putnam County Sheriff's Office at 386-329-0801.