WICHITA, Kan. -

Friday night update: Robert Wolff has been located near 53rd and Hillside.

A concerned citizen called in to report his driving behavior. Dispatchers asked the citizen to follow the driver until police could catch up to him. Once they did, they confirmed it was Wolff.

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Wichita Police are asking for the public's help in finding a man who disappeared from east Wichita.

Robert "Bob" Wolff was last seen in the 1100 block of north Rock Road Thursday night. Police said they are concerned because the 82-year-old has dementia and diabetes.

He is described as a white man, about 5'7" tall, weighing 180 lbs., with gray hair and brown eyes.

He is possibly in a black truck that says "Bob's Door Company" on the side and has a toolbox in the back.

If you see him, please call 911.