According to NBC4, a student entered Great Mills High School, pulled out a gun, shot two students and then exchanged fire with a school resource officer.
Governor Matt Bevin has confirmed that one person has been killed while several others have been wounded in a Tuesday morning shooting at Marshall County High School in Benton, Kentucky.
Local authorities say two people were killed at an elementary school in San Bernardino, California. Two students were also wounded and taken to trauma centers.