LOUISVILLE, Ky. (WDRB) -- Police in northwest Indiana ask for help finding a man who disappeared from Monticello, in White County.

State police issued a Silver Alert Monday afternoon for 81-year-old Donald Macowan.

They believe he is driving a maroon, 1995 GMC Sierra pickup truck with Indiana license plate TK501LWI.

Macowan may be in danger, disoriented and require medical assistance, the Silver Alert notice said.

He was last seen at 3 p.m. Saturday in Monticello, wearing a hat, blue flannel shirt and blue jeans. He is described as 5 feet 10 inches tall, 200 pounds, with short white hair and blue eyes.

Anyone with information on Macowan should call the White County, Ind., sheriff's office at (574) 583-7103.

Monticello is about 30 miles northeast of Lafayette, Ind.

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