Update: University of Michigan confirms there is no active shooter in the area

ANN ARBOR, Mich. (FOX 10) - The University of Michigan on Saturday issued an alert to its students saying there was an active shooter on campus.

The initial alert urged students to 'Run, hide, and fight.'

Shortly thereafter, the university issued another tweet regarding the reports, urging students to stay away from the area of Mason Hall.

A police broadcast says there were calls with reports of a shooter heading toward an undergraduate library, but no one has been spotted. Police are removing all students from the building.

The University of Michigan is now saying there does not appear to be an "active threat" in the area, though officials are still urging people to steer clear of the area.

Fox 10 reported this story from Phoenix.