PORTSMOUTH, Ohio — Portsmouth High School canceled practices and evening activities Tuesday after a strong natural gas odor from outside the building was drawn in through the air handling system, prompting inspections by Columbia Gas and the Portsmouth Fire Department.

Columbia Gas and fire crews checked the building and found no danger inside, Portsmouth City Schools said in a statement. The district said a gas odor could still be noticed in the area surrounding the school, but that the building itself had been inspected and cleared.

The district thanked Columbia Gas and the Portsmouth police and fire departments for their quick response.

The information contained in this story was obtained from Portsmouth City Schools.