Parents sue Olympic medallist

Cleveland, Ohio - The parents of Olympic gold medallist Tianna Madison have sued the US track star, saying she spread stories they were out for their own interest and tormented and cheated her out of money.

Robert and Jo Ann Madison filed the libel, slander and defamation lawsuit on Thursday in an Ohio court.

Tianna Madison, 27, was on the winning 4x100m relay track team at the London Olympics. She won the gold with Allyson Felix, Bianca Knight and Carmelita Jeter in world record time. The lawsuit also names her husband John Bartoletta.

Madison's parents' are seeking more than $25 000 each in damages.

They said in the suit they have been loving and supportive parents.