Five police officers responding to the scene suffered respiratory problems, one firefighter suffered chest pains and another firefighter sprained an ankle, while a neighbor and a pedestrian were also injured, Mr. Meehan said.

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Michael Chiapperini, a firefighter who died at the scene, was a veteran of the West Webster Fire Department and a police lieutenant.

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The first paramedic at the scene, Chris Willis, described seeing a firefighter conducting CPR on Yaseen's badly-burned body.

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