It was revealed in footage secretly filmed from behind a curtain then sent by a whistleblower to international media. A FIS official said the illegal alterations were only subsequently confirmed by tearing apart the seams of the crotch area on the offending Norwegian ski suits.

Norway team officials were found to have illegally modified their ski suits to provide an aerodynamic advantage

Cheating by Norway team officials manipulating ski suits has shaken a national reputation for fair play and high-minded principles at their home Nordic world championships.