Temporary placeholder billboards near Plymouth Road and Barton Drive in Ann Arbor. William DiepANN ARBOR, MI — A billboard in Ann Arbor denouncing alleged antisemitism at the University of Michigan has been vandalized. University of Michigan Interim President Domenico Grasso expressed support for Jewish students, faculty and staff at an event earlier this month. Anyone with information about the vandalism is asked to contact the Ann Arbor police at 734-794-6920 or by emailing tips@a2gov.org. Bookmark the local Ann Arbor news page.