A top FIFA official said Russia and Qatar’s hosting of the next two World Cups could be imperiled if it’s shown that bribes helped those countries’ winning bids.

Domenico Scala, chairman of FIFA’s audit and compliance committee, is the first high-ranking association official to suggest venues could still be moved, in the wake of recent arrests.

“If evidence should emerge that the awards to Qatar and Russia only came about thanks to bought votes, then the awards could be invalidated,” Scala said in an interview published Sunday in SonntagsZeitung.

But he tempered his remarks: “This evidence has not yet been brought forth.”

The world governing body of soccer was rocked two weeks ago when top FIFA officials were arrested in Switzerland in a bribery case brought by US prosecutors.

Swiss authorities have launched their own, separate probe.

Accusations of bribery in connection to the Russia and Qatar awards have been floated for years. And Scala made similar comments in 2013 about countries possibly losing their right to host if bribes played any role.

But Scala’s new comments took on added significance given recent events.

FIFA chief Sepp Blatter resigned on Tuesday, just days after he seemed to have weathered the storm and won a fifth term in office.

Fourteen people, including top FIFA officers and Americans, have been indicted following a federal probe.