MINNEAPOLIS (WCCO) — President Donald Trump, who is at his home this weekend in Mar-a-Lago, Florida, is now calling for an investigation of three top Democrats: Rep. Nancy Pelosi, Sen. Chuck Schumer and presidential predecessor.

President Donald Trump (credit: CBS)

President Donald Trump (credit: CBS)

Both have called for an investigation of his presidential campaign’s communications with Russian officials. The president struck back by tweeting photos of Pelosi meeting with the Russian ambassador, and Schumer sharing a donut with President Vladimir Putin.

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Trump took to Twitter Saturday morning to claim that former President Barack Obama essentially wiretapped or bugged offices in Trump Tower before the election.

CBS News has not been able to confirm any of the president’s claims.