A man was arrested after he allegedly brought a gun into a library at the University of Wisconsin-Milwaukee.

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The 25-year-old man was seen loading the gun in Golda Meir Library on Thursday afternoon, the Milwaukee Journal Sentinel reported on Friday.

A spokesperson for the university police department said officers responded within two minutes but by the time they arrived the man had left.

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Officers tracked him down in an off-campus neighborhood and arrested him. No one was injured.

The police spokesperson said the university did not send out a campus-wide alert or evacuate the library because the man had left by the time officers arrived and didn’t present an active threat.