John McCain speaking during an African American veterans and business leaders roundtable event ahead of the U.S. Senate election in Phoenix, Arizona, U.S., on Aug. 12, 2016.
Patrick T. Fallon—Bloomberg/Getty Images
April 19, 2017 6:19 PM EDT

Sen. John McCain (R-Ariz.) suggested Exxon Mobil is “crazy” in response to a report that the oil giant is seeking a waiver to resume projects in Russia.

“Are they crazy?” McCain tweeted Wednesday with a link to the Wall Street Journal‘s report.

In March, McCain said the investigation into Russia’s involvement in the 2016 election needs to be handled by a “special committee,” criticizing Congress’ management of the case up to that point.”It’s a bizarre situation,” McCain said. “I think that this back and forth and what the American people have found so far is that no longer does Congress have the credibility to handle this alone.”

Exxon recently applied to the U.S. Department of the Treasury for a waiver in order to continue its joint venture with Russian oil company PAO Rosneft, sources told the Journal. Exxon has been trying to gain access to the region around the Black Sea since 2015, according to the report.

Exxon did not immediately respond to a request for comment.

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