Ex US president hopeful John Edwards, to testify on ties with Rielle Hunter

Former US presidential contender John Edwards has been asked to submit a sworn deposition on May 13 about his relationship with mistress Rielle Hunter, reported The Daily Beast.

'Edwards' testimony in Hunter's invasion of privacy lawsuit against Andrew Young, a former Edwards aide, is expected to focus on whether he might have spent federal campaign funds to hide his relationship with Hunter, who documented Edwards' presidential campaign and later gave birth to his child,' reports The New York Post.

Edwards has said that he is confident about his camping funds being used properly.

Hunter was sent a court order in January, which demanded Young turn over videotapes and photos Hunter claimed belonged to her.

Young claimed in a tell-all book that he found a sex tape made by Edwards and Hunter in 2007.

Hunter, 45, opened up to GQ mag about her sex scandal with Edwards and also posed for a photo spread with their kid.

In the tell-all interview, obtained by The Washington Post, Hunter dishes the dirt on her sex scandal with the former presidential contender, whose cancer-stricken wife, Elizabeth, left him over the affair.