Rafael Nadal plans to sue an ex-French government minister who said his seven-month absence in 2012 was "probably due to a positive doping test".
The Spaniard is upset with comments made by Roselyne Bachelot, who was formerly Minister for Health and Sport.
The 14-time Grand Slam winner, 29, says he will sue anyone else who alleges "something similar in the future".
Nadal says he is tired of the allegations and is no longer prepared to let them pass unchallenged.
More to follow.