Police at the City College of San Francisco library after report of a gunman on campus. (Twitter/@LadyAlex88)

SAN FRANCISCO (CBS SF) — Police responded to a report of a gunman on the campus of City College of San Francisco Tuesday morning.

The CCSF Facebook page said a fight among three students resulted in the campus police responding and the evacuation of the library after one student in the altercation said a gun was pulled on him.

CCSF said there was no active shooter situation and no one was injured.

San Francisco Police said the campus library was evacuated as a precaution after word there may have been a student with a gun in the library.

SFPD officers arrived and determined there was no shooting and no injuries.

Investigators are determining whether there was actually a gun on campus.

So far there have been no arrests and no one on campus is in danger, police said.

Swat team on CCSF. Library evacuated. Reports of gun on campus. https://t.co/Qe8KWK37Pg — Anthony Leong (@anthonyleong83) October 13, 2015

Good thing I was leaving campus when all the cops showed up. Apparently someone pulled out a gun in the library at CCSF Ocean campus. — Betsyyy (@betsyflyyy) October 13, 2015

Another gunman on another campus, my brother's campus. #SF isn't immune to senseless violence #CCSF pic.twitter.com/J6OmMhgIJN — Samar Marwan (@HellaSamar) October 13, 2015

Well that was quick, police still nearby, students are now allowed back inside. pic.twitter.com/eZqViUekrt — Alex (@LadyAlex88) October 13, 2015

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