Timothy Edwards Middle School in South Windsor was evacuated for around 22 minutes on Tuesday as emergency officials investigated the source of a gas odor, but scene is clear.
Supt. Kate Carter said they evacuated the school as a precaution around 10 a.m. and the South Windsor Fire Department determined it was safe for children to return to the building.
According to police, the gas odor appeared to be coming from a propane tank in the back of the school.
The school is located at 100 Arnold Way in South Windsor.
