DELAND, Fla. - UPDATE:
Deputies confirmed that Peter has been found and is in good health.
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The Orange County Sheriff's Office said that a Silver Alert is active for 79-year-old Peter Reilly.
They said that he was last seen in DeLand on Sunday morning driving a 2003 silver Cadillac Deville with Florida tag BXNV62. He was wearing a blue plaid shirt and tan pants.
Deputies are reportedly concerned for Peter because he has dementia.
If you see him, please call 911, police urged.
This story was written in Orlando, Florida.