Student killed, two injured in Louisiana high school shooting; 14-year-old suspect in custody

Shooting occurred at St. Helena College & Career Academy in Greensburg, Louisiana on Wednesday.
One student was killed, two others injured; the two injured were hospitalized.
The suspected shooter is a 14-year-old student who has been taken into custody.
Motive is still unknown; investigation ongoing.
School closed and events cancelled until Friday; grief counselors to be available.