Shooting at Great Mills High School in Saint Mary's County; school on 'lockdown'

Name: Shooting at Great Mills High School in Saint Mary's County; school on 'lockdown'
Uploaded: 2018-03-20T13:00:00+00:00
Duration: 3 min 36 s
Description: Authorities are on the scene of a shooting at Great Mills High School in Saint Mary's County. The shooting was reported around 8 a.m. On Twitter, St. Mary's County Public Schools said that the incident has been "contained."

Authorities are on the scene of a shooting at Great Mills High School in Saint Mary's County. The shooting was reported around 8 a.m. On Twitter, St. Mary's County Public Schools said that the incident has been "contained."

Posted March 20, 2018 9:33am EDT