Authorities charged a US woman with felony animal cruelty, saying she hanged her nephew's pit bull from a tree with an electrical cord and burned its body because the dog chewed on her Bible.

Animal control officers said that 65-year-old Miriam Smith told them she killed a female dog named Diamond because it was a "devil dog" and she worried it could harm neighbourhood children.

Authorities said bond was not immediately set for Smith, who remains jailed in Spartanburg County, South Carolina after her weekend arrest.

Officials said she did not have a lawyer yet.

She faces 180 days to five years in prison if convicted.

Authorities said the remains of the dog were found under a pile of grass with part of an electrical cord around its neck.

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