Authorities have arrested a man in Virginia a day after his ex-girlfriend said he had abducted her and their son.

Lexington County Sheriff's Major Larry Shea said 45-year-old Robert William Custer was arrested Monday in Giles County, Virginia.

Authorities had issued Amber Alerts in South Carolina, North Carolina and Virginia for 4-year-old Colin Nathaniel Custer. Police say the child was found okay.

Lexington County authorities found the boy's mother locked in a gas station bathroom Monday morning. She told them the child's father abducted them Sunday after a court-ordered visitation.

Summerfield, Fla., resident Renee Pennell-Rashell says ex-boyfriend Robert William Custer placed a cloth over her mouth and nose and she lost consciousness.

(Copyright 2008 by The Associated Press)

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Authorities have issued an Amber Alert for a four-year-old child who was abducted from Florida.

Police believe Robert Custer may be heading to Maryland with Colin Custer. Colin is described as 3'0" tall, weighing 35 pounds, with blond hair and hazel eyes. He was last seen wearing a grey short sleeve shirt with blue and red stripes, navy shorts and tan shoes.

Police say the child may be in a a white, with green stripe Chevrolet vehicle that may have a Florida tag of Q577ZE and towing a trailer.

The NBC station in Columbia, S.C. reports that the child and his mother were abducted in Florida by the boy's father when they met at the conclusion of a court-ordered visitation by the father.

WIS-TV reports the mother had had a cloth covered in plastic over her mouth and nose and she lost consciousness. When she came to, she and her son were in Custer's vehicle.

She told deputies when Custer stopped at a gas station outside of Columbia, she got her wrists free and ran into the restroom and locked the door.

Anyone who spots this vehicle should contact the N.C. Highway Patrol