Russian Sports Minister Vitaly Mutko tells The Associated Press "we've got nothing to hide" after Swiss prosecutors opened criminal proceedings into FIFA's awarding of the 2018 and 2022 World Cups.

Speaking by telephone from Zurich, Mutko says "we're prepared to show everything" to investigators.

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Swiss authorities say they are investigating the awarding of the 2018 World Cup to Russia and the 2022 tournament to Qatar. In a separate U.S. investigation, 14 people were indicted on corruption charges and seven of them were arrested in Zurich.

Mutko, who played a leading role in Russia's bid, says his country welcomes the investigation.

Mutko and 2018 organizing committee head Alexei Sorokin both told the AP they had not been contacted by investigators.