Italian Deputy Prime Minister Matteo Salvini on Wednesday denied a media report that his far-right League party had sought millions of euros from Russian investors via a secret oil deal.

The U.S. website Buzzfeed said it had received an audio recording of talks in Moscow in October among three Italians including a close aide of Salvini, Gianluca Savoini, and three unidentified Russian men.

During their 75-minute meeting, the six men discussed a possible deal involving a Russian company selling oil worth some $1.5 billion at a discount to enable the League to pocket part of the difference, Buzzfeed said.