Chaffetz says the memo raises concerns ‘‘about improper interference placed on an active investigation.’’

Rep. Jason Chaffetz, R-Utah, tells The Associated Press he is taking action because of a memo Comey wrote detailing how Trump asked him to shut down a federal investigation into former National Security Adviser Michael Flynn.

The Republican chairman of the House oversight committee says he plans to demand that the Justice Department turn over all memos written by former FBI Director James Comey concerning his past meetings with President Donald Trump.

He says he has ordered staffers to draft a letter to Justice Department officials seeking Comey’s memos. The letter is expected Tuesday night.


Chaffetz says he will use the authority of a congressional subpoena if necessary.

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7:10 p.m.

The Republican chairman of the House oversight committee says he will seek copies of any memos former FBI Director James Comey wrote about his meetings with President Donald Trump.

Rep. Jason Chaffetz, R-Utah, said in a tweet that he has his ‘‘subpoena pen ready.’’ The move by Chaffetz comes just hours after the disclosure that Comey wrote in a memo that Trump asked him to shut down a federal investigation into former National Security Adviser Michael Flynn.

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6:40 p.m.

Top Senate Democrat Chuck Schumer says ‘‘history is watching’’ and ‘‘the country is being tested in unprecedented ways’’ in the wake of a New York Times story that says President Donald Trump asked former FBI Director James Comey to call off an investigation into former National Security Adviser Michael Flynn.

Schumer said in a brief, somber floor speech Tuesday that he was ‘‘shaken’’ by the report that Trump asked Comey ‘‘to shut down an active investigation into a close political associate.’’

Schumer has been urging Deputy Attorney General Rod Rosenstein to name a special counsel to investigate Russian interference into last year’s campaign and ties between Russian and Trump associates, including Flynn.


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6:34 p.m.

A person familiar with the situation says FBI Director James Comey wrote in a memo after a dinner with President Donald Trump that Trump had asked him to shut down an FBI investigation into ousted national security adviser Michael Flynn.

The person had seen the memo but was not authorized to discuss it by name and spoke on condition of anonymity. The existence of the memo was first reported Tuesday by The New York Times, which said it was drafted after a February meeting in the Oval Office.

The FBI declined to comment Tuesday. The White House denied that Trump had made that request of Comey.

— By Eric Tucker

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5:44 p.m.

The White House is disputing a report that President Donald Trump asked former FBI Director James Comey to shut down an investigation into ousted national security adviser Michael Flynn.

The New York Times says Trump made the request to Comey during a February meeting. The newspaper cites a memo Comey wrote following the meeting.

Trump fired Comey last week.

The White House says the report is ‘‘not a truthful or accurate portrayal of the conversation between the president and Mr. Comey.’’ The White House says that while the president has repeatedly expressed his view that Flynn is a ‘‘decent man,’’ he has never asked Comey or anyone else to end any investigations involving him.

Flynn was fired after misleading top White House officials about his contacts with Russia.