The New York Times, which first reported this development, said that though the documents were not sought through a subpoena, this was the first instance of records being sought from the White House.
While Mueller steps up his investigation into allegations of Russian interference in 2016 United States presidential election, Trump again angrily denied that his campaign team colluded with the Kremlin.
President Trump called the Russian Federation investigation "a total fabrication" and "an excuse for the greatest loss in the history of American politics" at a rowdy rally Thursday soon after news broke that special counsel Robert S. Mueller III had convened a criminal grand jury.
Investigators questioned witnesses about whether Flynn was secretly paid by the Turkish government during the final months of the 2016 campaign, according to the newspaper.
Investigators have spent "hours poring over" specifics about Flynn's dealings with a Turkish-American businessman who worked previous year with Flynn and his consulting business, Flynn Intel Group.
The Times reported that prosecutors have been investigating Flynn's business dealings with a Turkish-American businessman who worked with Flynn a year ago, and are trying to determine if the Turkish government was behind payments to Flynn.
They also are probing whether Flynn Intel kicked-backed payments to the businessman, Ekim Alptekin, "for helping hide the source of the money", according to the report. His potential failure to register as a foreign agent could also carry a felony charge.
In March, he retroactively registered as an agent with the Justice Department, the Times reports. The second was when Stephanopoulos demanded an assurance that President Trump wouldn't fire special counsel Robert Mueller.
2-time Tour victor Alberto Contador to retire after Vuelta
Alberto Contador is set to retire after this year's Vuelta a España , the two-time Tour de France victor has announced. The Spanish rider said the Vuelta "will be my last race as a professional cyclist".
The grand jury has issued subpoenas in connection with a June 2016 meeting that included President Trump's son, his son-in-law and a Russian lawyer, two sources told Reuters on Thursday, signaling an investigation is gathering pace into suspected Russian meddling in the 2016 USA election.
Asked if the bill was directed at President Trump, Tillis (R-NC.) didn't hide his concern. But we'll continue to cooperate and comply.
Trump has repeatedly denied allegations of collusion, saying he is the victim of a political "witch hunt" and "fake news". Mueller is attempting to determine whether the Turkish government was behind any of that money.
Gulen now lives in Pennsylvania.
And Ty Cobb said something that reflects the thinking of all of us, including the president.
"The president has not even discussed that, the president has not even discussed firing Bob Mueller", Trump adviser Kellyanne Conway said in an interview with ABC News when asked if the president would commit to not firing Mueller. "It's time to get to work".
She described the payments as "a business decision".