Witnesses told police that a man "wearing multiple layers of pants" fled the scene afterward, Richmond Animal Care and Control said at the time.
The male pit bull was taken to Cary Street Veterinary Hospital for treatment of the burns, which covered more than 40 percent of his body, police said. The dog, whom officials named Tommie, died Feb. 15.
Animal control officials offered a $25,000 reward in the case, according to WHSV. State lawmakers also passed "Tommie's Law," which takes effect in July. It will enact "harsher penalties for anyone convicted of animal cruelty" in Virginia, the station reported.
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If convicted, Hill could face a $2,500 fine and a five-year prison term, the Richmond Times-Dispatch reported.
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