Westport firefighter responded to a fire Saturday night at a downtown building on Post Road East.
Firefighters were dispatched to the fire to the Parker Harding Plaza around 10 p.m.
Multiple engine companies responded.
Officials said the damage was limited to the rooftop HVAC equipment and the fire did not spread to any other part of the building.
Wilton Fire and Norwalk Fire were dispatched to assist.
There were no reported injuries and the cause of the fire is still under investigation.
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