Authorities in Tioga County are seeking the public's assistance in finding a 78-year-old man.

William Caloroso [Photo provided by New York State Police][/caption]

According to state police, William Caloroso was last seen on River Road in Nichols around 8:30 p.m. Sunday.

Investigators described Caloroso as a "missing vulnerable adult" with Alzheimer's disease. They say he may be in need of medical attention.

Police said Caloroso was believed to be driving a dark blue 2010 Chevrolet Impala with New York plates GDY-8262. They said he was believed to have been heading to the truck stop in Lounsberry.

Caloroso had been wearing a flannel shirt and blue pants. He also may have been wearing a baseball hat bearing the word "Sidney."

People with information may contact state police at 607.561.7400.

For breaking news and updates on developing stories, follow @BinghamtonNow on Twitter.