ROANOKE CO., Va. (WDBJ7)-- UPDATE:
At around 8:30 a.m., the source of the rumor has been identified. There is no longer a threat to the school and students are safe.
Roanoke County Police are at William Byrd High School this morning due to a rumor going around about a potential threat to the high school.
Right now, this rumor is unsubstantiated, but police have extra officers at the school for precaution.
Police say parents should remind their students that rumors should not be spread, but rather reported to the school or police as soon as they hear them.