Deputies say a Yakima man is still missing since Thursday and they don't know where he could be.

Yakima County Sheriff's Department says Joseph Dotson suffers from dementia and was last seen at Hughes Rd. in Yakima, WA. He is believed to be in a brown 1999 Ford F-250, with license plate, WA #B15292X. Investigators have tracked his cell phone but it has not been active for several days.

He is described as 81-year-old, white with brown hair and hazel eyes. He is believed to be 6 ft and 3 in, weighting 240 Lbs. He was last seen wearing Jean bib overalls, black and red checkered long sleeve flannel shirt.

If you have any information you are asked to call police.

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