Mr Trump is facing bipartisan criticism for his refusal to publicly challenge Mr Putin over Russia's election hacking and for doubting USA intelligence agency conclusions about Russian meddling in the 2016 campaign.
"The full faith and support for America's intelligence agencies - I have a full faith in our intelligence agencies", Trump said in remarks preceding a meeting with House of Representatives Republicans about possible future tax cuts.
On Tuesday, after returning to Washington and facing the resulting uproar, Trump partially reversed himself, saying he misspoke - that when he dais he saw no reason why Russian Federation would interfere in USA elections, he actually meant "wouldn't".
When asked if it was appropriate for Trump to openly contradict US intelligence services about Russian meddling in USA elections, a spokesman for the congresswoman said simply: "No".
White House spokeswoman Sarah Sanders told reporters at a news briefing hours later that the president's "no" was not in answer to a reporter's question, "Is Russia still targeting the US?"
In the Senate, Democratic leader Chuck Schumer of NY called for Secretary of State Mike Pompeo and other top officials to appear before Congress and tell exactly what happened during Trump's two-hour private session with Putin.
"I think the president did a good thing by meeting with Putin and I think it's a mistake for people to try to turn this into a partisan escapade", Paul said on CBS.
"Yes, I did, yes, I did, because he talked about bringing the U.S. -Russia relationship back to normal", Putin said in response to a reporter's question in Finland.
Corker said "the first step" will be hearing from US Secretary of State Mike Pompeo, who will testify on Wednesday before the Senate Foreign Relations Committee.
"OMG she looks right in the camera and her eyes say 'help me!'" one person tweeted.
Trump on Monday called the Mueller probe into Russian meddling "a disaster for our country". "He is now ending his career by showing himself to be the most biased, bigoted, over-the-top, hyperbolic, unhinged director of the C.I.A. we've ever had", said Paul.
Five of these individuals have pleaded guilty, including three former Trump advisors, although none of the crimes they have admitted to directly relate to collusion with Russian Federation. I will say this: "I don't see any reason why it would be", Mr Trump said.
"In a key sentence in my remarks I said the word "would" instead of 'wouldn't, '" Trump said.
Political analyst Bassima Alghussein told TRT World that Russian Federation continues to interfere in a democratic process and the U.S. president failed to defend United States interests in the "disastrous" Helsinki summit.
Trump said he clarified his Helsinki comments after reviewing a transcript after the ensuring uproar of his apparent support for Putin. Pelosi also wants to force a vote on the House floor on a resolution rebuking Trump's remarks in Helsinki.
Trump's performance at the press conference that ended Monday's summit threw dynamite into the dumpster fire of his European trip.
Kimmel added crudely that he'd rather have a chimpanzee as president than Trump.
"We stand by our North Atlantic Treaty Organisation allies and all those countries who are facing Russian aggression", Ryan said.