The gas leak was reported at around 10:30 a.m. Thursday. Main Street is closed to vehicular traffic from Route 1 to Elm Street until further notice.
Areas of Parker-Harding Plaza had been closed off to all traffic but reopened by about 11 a.m. Stores in that location were evacuated as a precaution, but they have also reopened.
Westport police, fire and the gas company are all currently on the scene. Police said updates will be forthcoming as conditions change.
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