Shooter amongst the dead.
Three people have been killed and six injured following a shooting at a high school in St. Louis.
Police Commissioner Michael Sack says the deceased include a teenage girl, a woman and the shooter.
The shooting occurred just after 9 AM at Central Visual and Performing Arts High School.
Students were forced to barricade doors, jump from windows and run out of the building.
Authorities have not released the names of the victims or the shooter.
Police say the shooter, who was about 20 years old, was killed after exchanging gunfire with police.
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