The Russian president said that before the election Mr Trump was just a "rich person" and "of no interest for us".
"Russia as a state has never interfered with the internal affairs of the United States, let alone its elections", Putin told Fox News' Chris Wallace in an interview that aired Monday evening. My people came to me, (director of national intelligence) Dan Coats came to me and some others.
Trump also said he believes that Russian meddling took place in the 2016 presidential election, but that it did not change the election's outcome.
"Our nation's intelligence community, as well as the Senate Intelligence Committee, is confident that Russian Federation intervened in the 2016 elections", U.S. Sen.
On the United States' relationship with its allies: "I am concerned about lasting damage" from Trump's remarks at NATO, Albright said. They said they think it's Russian Federation.
While it's commendable when people like Comey - a long-time Republican - put country over party, it's not clear they're actually doing the Democrats any favors. Our Intelligence Community has proven Russian Federation attempted to interfere with our elections.
It was easily Trump's worst moment as president, even if it wasn't - as some over the top Democratic critics said, treasonable. There is no moral equivalence between the United States and Russian Federation, which remains hostile to our most basic values and ideals.
Djokovic enters Wimbledon final after epic five-set win over Nadal
Once again his first serve was his saviour and the match started to enter prime Anderson-Isner territory. My left heel is killing me. "Obviously if you told me that six months ago, I would take it right away.
Analysis by FiveThirtyEight found that Comey's letter probably did cost Clinton the election, saying it probably shifted as much as three or four percentage points over to Trump. It came just three days after 12 Russian intelligence officials were indicted in the us for cyberattacks on the Democratic National Committee and the Democratic presidential campaign of Hillary Clinton.
But several Republicans who do not typically buck the President raised concerns, shocked by Monday's performance.
Democrats pleaded with their GOP colleagues who have majority control of Congress to rein in the President and become a stronger legislative check on the executive branch.
Senate Democratic leader Chuck Schumer said Mr Trump was trying to "squirm away" from his comments alongside Mr Putin.
Former president Barack Obama appeared to allude to his successor in a speech in South Africa on Tuesday, blasting "strongman politics" - without naming Trump.
"Patriots need to stand up and reject the behavior of this President", he tweeted.
McCain said the joint press conference between Trump and Putin in Helsinki "was one of the most disgraceful performances by an American president in memory". "They should not expect, however, to be misrepresented and abandoned by the President of the United States".