MINNEAPOLIS (WCCO) — Rochester police say a 25-year-old man was knocked unconscious and suffered a serious eye injury after a bar fight Saturday.

According to CBS affiliate KIMT in Iowa, the victim was assaulted outside of Top Shots bar around 1:30 a.m. Saturday after saying “All lives matter” to a group of people. The group became agitated and a suspect punched the victim, knocking him unconscious.

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Medical personnel who helped the victim told police that his eyes weren’t responding properly and the man said he couldn’t see.

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The suspect, who’s described as a 6-foot black man with dreadlocks wearing a red shirt, reportedly fled north after the incident.

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Police are investigating and searching for the suspect.