Multiple law enforcement agencies responded to Duncanville High School due to reports of an active shooter, but that was never the case.
There was no shooting or shooter.
Duncanville, Cedar Hill, DeSoto and Dallas Police responded to the school but it turned out there was no gun, rather fireworks going off.
Duncanville Police said a student was scene on surveillance camera setting off the fireworks inside the building.
Students were sheltering in place according to Duncanville ISD.
There is no word yet on what kind of punishment the student faces.