Florence police say they've charged a 14-year-old boy with Arson 3rd degree and Animal Cruelty.
His name isn't being released because he is a juvenile.
Last Saturday, officers say he poured lighter fluid on a dog near Iola Jones Park in Florence.
Witnesses say they saw five or six teenagers standing around and laughing as the dog was burning.
The five month old husky/chow named Princess by her owner died from the injuries two days later.
old suspect is in the custody of the Department of Juvenile Justice in Columbia.
He is expected to be back in Florence early next week for a detention hearing.
This investigation is ongoing.