People have been seen fleeing a building at the campus of Michigan State University after a mass shooter killed three people.At least three people have been killed with five others injured by the shooter who opened fire on Monday (February 13) night.Footage shows a large group of people fleeing one area with their hands above their heads.Heavily armed police officers are also seen running towards the area.Local police have confirmed that the 43-year-old male suspect is dead after a self-inflicted gunshot wound.SWNS