HARKER HEIGHTS, Texas — Students at Harker Heights High School were placed on a secure hold Wednesday according to Killeen ISD.
Students were not allowed to move throughout the building and visitors were not allowed due to police activity near the campus.
A spokesperson for the district says all students and staff are safe.
The school district remained in contact with local authorities.
The all-clear was given by Harker Heights Police Department shortly after parents were notified.