Dillard High School in Fort Lauderdale has been placed on lockdown. Police are currently on the school's campus.
On the scene at 2015 NW 11th Street on Thursday morning, officers could be seen instructing students out of a building.
One student is reportedly in custody for an unknown reason.
So far, no injuries of any sort have been reported.
Students have since been let back into their classroom, but the lockdown remains in place.