Animal control officer Dave Schlott rescued the cat, which is believed to be a stray, from the parking lot of the Darby Borough Library after someone called police.
Schlott told Action News that during a necropsy, veterinarians found jagged chicken bones in the cat's stomach.
They believe that the cat was abused before being lit on fire.
The cat was pronounced dead at 7:00 p.m.
Schlott is still offering a $100 reward for any information on whoever burned the cat. You are asked to call 911 with any details.
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