BEAVER CITY - The Furnas County Sheriff's Office is still searching for 78-year-old Larry Hardenbrook, who was last seen Tuesday.

Hardenbrook was last seen Tuesday around 10 p.m. when he left his home in Beaver City on foot without a coat.

He also suffers from Alzheimer's.

After several days with no sign of him, the sheriff's office has expanded the search to a 15 mile radius of Beaver City.

Authorities say they've had help from people on horseback, ATVs, Police K-9s and helicopters.

The search continued Friday morning.

The Sheriff's office say that If you want to participate in the search, please check in at the Furnas County District Courtroom with Terry Klien.

If you have any information, please call 911, or the Furnas County Sheriff's Department.