CARROLLTON — UPDATE: Lewisville ISD spokeswoman says lockdown at Hebron High a hoax.
"We are thankful that the investigation has been completed ... and that this was a hoax," said Karen Permetti, a spokeswoman with the district.
This is a breaking news update; read full story below.
The Lewisville Independent School District has confirmed Hebron High School is in lockdown.
According to Carrollton police, a male caller from within the school said a bomb was located in the orchestra music room in the 2700 block of Plano Parkway in Carrollton.
According to the district's Facebook page, police set up a perimeter at the school.
"[Police] on scene at HHS conducting a sweep — making their way into every room on campus," read a post. "The building is secure and students are safe."
Police also placed the nearby Hebron 9th Grade Center on lockdown as a precaution.
More details to come.