At least 20 people have been injured and an unknown number have died after a person opened fire inside Marjory Stoneman Douglas High School in North Broward, Florida on Wednesday afternoon at approximately 2:30pm.
Margate Fire Chief Dan Booker told the Miami Herald that police are responding to a mass casualty incident at the school. Exactly how many have been injured or killed remains unclear. United States senator Bill Nelson has reportedly said that there are "many deaths."
Students wearing backpacks have been spotted fleeing the school. The active shooter also reportedly fled but is now reportedly in custody. A name has not been released. According to a statement by a Broward County Sheriff, the alleged shooter is approximately 18 years old and was wearing a maroon-colored shirt.
One mother told an ABC News affiliate that her daughter [who is presumably inside the school] "keeps telling me to stay away. 'Be safe, Mom, stay away.'"
Footage shows police running into the school, with weapons drawn, waving the fleeing students, who have their hands up, on.
NBC is reporting that the shooter is possibly a white male wearing a maroon shirt.
This is a developing story, and we will continue to update as more information becomes available.
[Photo: NBC News]