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U-M officials: Bathroom graffiti not credible threat

Sarah Rahal
The Detroit News
Exterior of the Michigan Union at the University of Michigan.

University of Michigan officials said what had appeared to be a threat that called for a shooting Friday at the Ann Arbor campus was not credible. 

A photo of bathroom graffiti indicating a school shooting threat was posted to Twitter by some of those who saw it in a bathroom stall in Mason Hall. 

The University of Michigan Division of Public Safety and Security was notified by students and staff about the message that said: “School Shooting 4/13.” 

"Nothing leads us to believe this is a credible threat to the U-M community," the university said in a statement. "This situation has been reviewed carefully by DPSS in conjunction with local, state and federal law enforcement partners."

Officials said the message has been removed. 

U-M's campus will be fully operational Friday. Police said they appreciated those who provided the information. 

"We all play a role in ensuring community safety," the public safety department said. "If you see something that shouldn’t be there or someone’s behavior doesn’t seem quite right – say something."