Answer:
Four Kent State University students were killed and nine injured.
Step-by-step explanation:
On May 4, 1970, Kent State University witnessed the murder of four and injury of nine students of the Kent State University. This shooting is also recognized as the May 4 massacre or the Kent State massacre. This event took place while the people belonging to the Ohio National Guard began open firing during a march protesting the Vietnam War. This shooting took place due to the mass protest against the bombardment of Cambodia by U.S. military forces.