Eastern University massacre also known as Vantharamulai (also Vantharoomulai) campus massacre refers to the arrest and subsequent mass murder of 158 minority Sri Lankan Tamil refugees who had taken refuge in the Eastern University campus close to the city Batticalo of on September 5, 1990. A witness identified the Sri Lankan Army personnel as the perpetrator. The event is part of what is known amongst Sri Lankan Tamils as Black September series of civilian massacres. The Sri Lankan government eventually established a presidential commission of inquiry. The inquiry found evidence of illegal abduction and mass murders.