Reports of gunman at Yale University

Yale University in the United States says it is investigating a report of a gunman on the campus.

Emergency procedures have been put in place at the university and armed police are at the scene.

Police received a call reporting a person on the campus with a gun.

The university's website says emergency shelter is in place for students.

Confirmed report of a person w/ gun on/near Old Campus. SHELTER IN PLACE. http://t.co/GWOeIeUZgu

— Yale University (@Yale) November 25, 2013

Police and EMS standing by outside of Battell Chapel at Elm and College Streets on the @Yale campus. pic.twitter.com/ieObZmDVqO

— newsbell (@newsbell) November 25, 2013