ELBA, Ala. (WDNews) — The Elba Police Department is asking for the public’s help locating a 66-year-old man who was last seen Wednesday night, Nov. 11.

According to police, Ronnie Joe Cooper was last seen at his residence on Smith Avenue. When someone checked on him Thursday morning, he was missing. His cellphone was found at the residence.

“Family and friends have let us know that he may have dementia,” the department stated.

Police said a preliminary search has been conducted around Cooper’s home on foot, by vehicle and using a drone.

Authorities also searched the nearby river, covering an area from just upstream of his residence to approximately two miles downstream.

Police are asking residents to remain alert and report any information that could help locate Cooper.

“If anyone knows his whereabouts or sees him, please contact dispatch at 334-894-0204,” the department stated.

Anyone with information is urged to contact the Elba Police Department’s dispatch at 334-894-0204.