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HARDIN COUNTY, Tenn. (CBS Local) — A Tennessee mother and her boyfriend are accused of force-feeding batteries to a small child.

The child’s mother, 21-year-old Kristina Thompson, and Lucas Todd, 19, were indicted by a grand jury this week on charges of aggravated abuse, CBS affiliate WTVF reported.

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Police say the Morris Chapel couple forced Thompson’s child to eat several AA and AAA batteries in August with the intent to cause him or her serious bodily harm.

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The child, who was under the age of 8 years old, also suffered bruises and fractured bone, but is expected to recover.

If convicted of aggravated child abuse, the suspects face a minimum prison sentence of 15 years.