A northeast Ohio college says it canceled classes Monday after a report that a person wearing a hooded robe resembling Ku Klux Klan gear was seen near an African heritage building. Cleveland NBC-affiliate WKYC reports Oberlin College made the call to cancel Monday's classes after the early morning sighting. The college calls the sighting the latest in a series of hate-related incidents on the college campus. The college had repeated incidents of racist graffiti reported on campus last month. Oberlin, which prides itself as a stop on the Underground Railroad that helped fugitive slaves, invited students and professors to attend afternoon events focused on mutual respect. The college is just about 30 miles southwest of Cleveland.