The blaze broke out at approximately 6:15 a.m. Sunday, June 13 at the Greater Mount Carmel Pentecostal Church in Bridgeport at 719 Connecticut Ave.
First-arriving Bridgeport Fire Department crews found heavy smoke and a working fire.
Searches for civilians inside were negative, authorities said.
Fire damage was confined to the first floor and basement, with significant smoke damage throughout.
There were no injuries reported.
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