NEWPORT BEACH (CBSLA.com) — Police sought the public’s help Monday to locate a 73-year-old man who has been reported missing in Orange County.

Robert Hansen, who goes by Bradley, was last seen around in the area of the Balboa Bay Club & Resort around midnight.

According to the Newport Beach Police Department, Hansen and his wife were visiting from out of state at the time of his disappearance.

Detectives described him as a Caucasian man who stands 5-foot-8 tall, weighs 200 pounds, is in good physical condition and is known as an avid walker.

Hansen was last seen wearing no shirt, red swim trunks with a floral design and no shoes.

Officers said he possibly suffers from dementia.

Anyone with information regarding Hansen’s whereabouts is urged to contact the Newport Beach Police Department at (949) 644-3711.