DOUGLAS COUNTY, Colo. — ThunderRidge High School evacuated due to an odor inside the school on Wednesday morning.
The building was cleared and students were allowed back in at 8:18 a.m.
Around 7:20 a.m., the school announced it was evacuating all students and staff. South Metro Fire Rescue Authority is investigating.
As of 7:50 a.m., school officials said they were still evaluating the cause of the odor.
Students and staff will remain on school property, a safe distance from the building, the school said.
It's not yet clear what the odor was or where it came from.
This is a developing story and will be updated.