UPDATE: 5:18 p.m.:

Toledo police are assisting Univeristy of Toledo with an unfolding situation at the student union, which is on lockdown.

Toledo police said officers are searching the building after a report of a man with a possible gun, WTOL-TV in Toledo reported.

UPDATE: 4:44 p.m.:

WTOL is receiving reports from students that police have the student union surrounded, and that their guns are drawn, and other officers are inside the building, the station reported.

FIRST REPORT:

The University of Toledo has issued an alert about a dangerous situation near the student union.

People are asked to stay away from the area, and police are on scene, CBS affiliate WTOL-TV in Toledo reported.