The event recognizes firefighters who have died in the line of duty or have passed away during the past year.
The memorial service will be preceded by a short parade, which will begin at the Saugatuck School at 6:45 p.m.
The procession will be led by the Connecticut Firefighters Pipes and Drums, followed by the area fire departments and their retirees.
The Westport Police Department will be closing the road for the procession, which will cause minor delays in the area.
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