Russell J. Ulrey, 46, of Lake Bluff. | Provided Photo.

Police are asking for the public’s help in finding a man in his 40s who went missing from Lake Bluff on Sunday and might be on his bicycle.

The Lake Bluff Police Department said they are currently searching for 46-year-old Russell J. Ulrey, who is a Lake Bluff resident.

Police say that Ulrey has been reported missing since 1:40 p.m. on Sunday.

He was last seen in the area of the Lake Bluff Public Library, 123 East Scranton Avenue.

The man may be riding his blue Giant Sedona bicycle that looks similar to this. | Provided Photo.

He might be on his bicycle, which police said is a blue Giant Sedona. It is unknown if Ulrey is endangered.

Lake Bluff Deputy Police Chief Matthew Smizinski said that Ulrey is described as a male white, 5-foot-8, 160 pounds, with gray eyes and brown/gray hair.

Police have not released any additional information on the disappearance. Smizinski said that police continue to conduct a full investigation and search for the man.

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Anyone who may have seen Ulrey or that has any additional information is asked to call the Lake Bluff Police Department at 847-234-8760.