DOVER-FOXCROFT — A 22-year-old Maine man charged with killing his younger brother in a dispute over damage caused by an all-terrain vehicle has pleaded not guilty.

Steven Mayo of Dover-Foxcroft faces charges of murder in the death 20-year-old Ryan Mayo, who was killed May 1 on the road where the brothers lived next door to each other.

Steven Mayo told police in an affidavit that he shot out the tires of his brother’s all-terrain vehicle after the two brothers fought following an argument over damage the ATV caused to his driveway. He says he fired at his brother only after he came outside and discharged a shotgun.

Mayo is being held without bail at the Piscataquis County Jail. Murder carries a sentence of 25 years to life in prison in Maine.

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