Facebook pages including those for University of Michigan football and basketball got way off-topic during a series of early-morning posts.
Posts from the official accounts were made Wednesday promoting links to risquΘ photos of celebrities and a host of other subjects.
Associate Athletic Director Kurt Svoboda told The Detroit News it was "working with our partners." In a later statement, the school said the situation was resolved and offensive posts deleted. The Michigan Athletics page also was affected.
Posts on the department's Twitter account said the pages were hacked.
Nikki Sunstrum, the school's social media director, told The Ann Arbor News in an email it was "an unprecedented issue, and we are taking all necessary precautions to protect the safety and security of our other numerous social media properties."
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