FIS has provisionally suspended three Norwegian team officials and two athletes who are being investigated for their alleged involvement in illegal equipment manipulation at

Two of their competitors were disqualified during Saturday's ski jumping event after using manipulated jumpsuits, the Norwegian Ski Federation said.

It was revealed in video secretly recorded from behind a curtain then sent by a whistleblower to international media. An FIS official said the illegal alterations were subsequently confirmed by tearing apart the seams of the crotch area on the ski suits in question.

Two Norwegian ski jumpers, Marius Lindvik and Johann Andre Forfang, were disqualified from Saturday's men's large hill competition after organizers said their suits broke the rule