Multiple people were shot on Wednesday morning at Timberview High School in Arlington, Texas.
Students and staff are currently locked in their classrooms.
The campus is on lockdown.
According to unconfirmed reports, a student shot a teacher in a classroom – the suspect has fled the scene.
Video from inside of one of the classrooms via KTLA reporter:
The shooting victims were transported to a local hospital and their condition is unknown.
Live updates via NBCDFW: