SOCHI, Russia, May 17 (Reuters) - Russian President Vladimir Putin said on Wednesday that U.S. President Donald Trump had not passed any secrets onto Russian Foreign Minister Sergei Lavrov during a meeting in Washington last week and that he could prove it.

Speaking at a news conference alongside Italian Prime Minister Paolo Gentiloni, Putin quipped that Lavrov had not passed what he said were the non-existent secrets onto him either.

Putin said Russia was ready to hand a transcript of Trump's meeting with Lavrov over to U.S. lawmakers if that would help reassure them.

Two U.S. officials said on Monday that Trump had disclosed highly classified information to Lavrov about a planned Islamic State operation, plunging the White House into another controversy just months into Trump's short tenure in office. (Reporting by Denis Pinchuk/Jack Stubs/Maria Tsvetkova; Editing by Andrew Osborn)

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