EMERYVILLE, Calif. (KGO) -- Emeryville police are asking for the public's help in locating a man missing since Thursday.
Lucas Horan, 39, was last seen on December 24 swimming from a boat along the shoreline near the Emeryville Marina.
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Horan has not been heard from since, police say.
He was reportedly wearing a gray fleece jacket, unknown color shirt and jeans.
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Anyone with information about his whereabouts is asked to call the Emeryville Police Department at 510-596-3700.
Image of Lucas Horan, 39, reportedly missing from shoreline near Emeryville Marina. (Emeryville Police Department)