For the third time in recent months, firefighters were called to Emerson-Williams Elementary School in Wethersfield for a gas leak.
The latest happened around 8 a.m. Monday.
Emergency vehicles set up outside the school at 461 Wells Road. Students and staff were kept out of the school as a precaution, according to Wethersfield fire officials.
Connecticut Natural Gas crews were able to determine the cause of the leak and repaired it around 8:45 a.m.
Monday's leak was the third at the school in the past four months, fire officials said.