A high school in Great Mills, Maryland was placed on lockdown Tuesday morning after a gunman opened fire in the hallway, multiple news outlets report.
Two students at Great Mills High School — identified as a 14-year-old male student in stable condition and a 16-year-old female student in critical condition — were injured during the incident, which occurred just before first period. A school resource officer engaged the shooter, who was later pronounced dead, according to the St. Mary's County Sheriff Tim Cameron.
The shooting comes less than a week after students at Great Mills left their classrooms in solidarity with a national anti-gun violence walk out, a response to the Marjory Stoneman Douglas High School mass shooting in Parkland, Florida that left 17 dead.
According to CNN, this is the 17th school shooting in the nation since the beginning of the year. Police are investigating a motive and any possible relationship with the gunman and the victims.
This is a developing story.