ELMENDORF, Texas — Deputies in Bexar County are searching for a missing 57-year-old man last seen on Saturday evening in Elmendorf, a city southeast of San Antonio.

Nicolas Alonzo III was last seen at around 9:30 p.m. Saturday in the 22900 block of Crystal Water Drive in Elmendorf.

Police say Alonzo may be travelling in a black 2008 Toyota FJ Cruiser with Texas plates numbered KVZ-7709. He was last seen wearing a gray shirt.

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Deputies believe that his disappearance poses a credible threat to their own health and safety.

Those who may have information on his whereabouts are asked to contact the Bexar County Sheriff’s Office at 210-335-6010.