An unidentified man is accused of attacking Louisville Mayor Greg Fischer at a retail outlet on Saturday.

Police released photos of the man, but he has yet to be identified. Fischer, a Democrat, was not injured in the attack, however.

"Earlier this evening, while at Fourth Street Live, Mayor Fischer was punched by an individual. The Mayor is doing fine," the Louisville Police Department wrote in a statement.

"LMPD is investigating and will release further information as it becomes available," police added.

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Police requested that anyone who has information about the suspect come forward via an anonymous tip line at 502-574-5673.

Police are looking for the man who attacked the mayor of Louisville. (Courtesy, Louisville Police)

An unidentified man attacked Louisville Mayor Greg Fischer. (Courtesy, Louisville Police)

It is unclear whether there was any altercation that led to the Saturday attack.

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Fischer has reached his term limit and is due to be replaced in an election later this year. Democratic nominee Craig Greenberg, who is running to replace him, was also attacked earlier this year.