President Donald Trump on 22 September called allegations of Russian election meddling a “hoax,” and insisted the media was the "greatest influence" on the 2016 campaign.
Trump's tweets appeared to respond to Facebook's announcement that the social media giant will provide to congressional investigators the contents of 3,000 ads bought by a Russian agency.
Facebook has faced growing pressure from members of the Congress to release the content of the ads. The company has already handed over the ads to the special counsel investigating Russian interference in the 2016 US presidential election.
Facebook also says it will now require political ads to disclose both who is paying for them and all ad campaigns those individuals or groups are running on Facebook.
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