WASHINGTON (AP) — The Latest on investigations into Donald Trump's 2016 campaign and Russia (all times local):

11:45 a.m.

Steve Bannon's attorney relayed questions, in real time, to the White House during a House Intelligence Committee interview of the former Trump chief strategist.

That's according to people familiar with the closed-door session who spoke to The Associated Press on condition of anonymity because they were not authorized to speak publicly.

During the day-long interview Tuesday, Bannon's attorney Bill Burck was asking the White House counsel's office by phone whether his client could answer the questions. He was told by that office not to discuss his work on the transition or in the White House.

It's unclear who Burck communicated with or whether it was top White House lawyer Don McGahn. Burk is also representing McGahn in special counsel Robert Mueller's investigation into contacts between the Trump campaign and Russia.

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10:55 a.m.

Former White House strategist Steve Bannon has received a grand jury subpoena from special counsel Robert Mueller as part of the investigation into Russian election interference and possible ties to President Donald Trump's campaign.

Word about the subpoena comes from a person familiar with Bannon's closed-door interview with the House Intelligence Committee on Tuesday.

This person wasn't authorized to publicly discuss Bannon's interactions with Mueller and spoke to The Associated Press on condition of anonymity.

The New York Times first reported the grand jury subpoena.

Bannon refused to answer questions from the House committee about his time on the Trump presidential transition team and in the White House.

A top Democrat has said the White House imposed a "gag order" on Bannon.

—Associated Press writer Chad Day.

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10:35 a.m.

President Donald Trump's former campaign manager, Corey Lewandowski, and senior White House aide, Rick Dearborn, are being interviewed Wednesday behind closed doors by the House Intelligence Committee looking into Trump campaign contacts with Russia.

That's according to two people familiar with the committee's work who spoke to The Associated Press on condition of anonymity because they weren't authorized to speak on the record about confidential interviews.

Lewandowski led Trump's campaign for nearly a year before being fired before the general election. He has remained close to Trump and been a prominent defender of the president on television.

Dearborn was a campaign aide who later served on the presidential transition before joining Trump in the White House as deputy chief of staff. He is expected to leave the White House later this month.

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1 a.m.

Former White House chief strategist Steve Bannon has been subpoenaed by the House Intelligence Committee after refusing to answer a broad array of queries about his time working for President Donald Trump.

The development has brought to the forefront questions about White House efforts to control what the former adviser tells Congress about his time in Trump's inner circle and whether Republicans on Capitol Hill would force the issue.

The congressional subpoena came the same day The New York Times reported that Bannon has been subpoenaed by special counsel Robert Mueller to testify before a federal grand jury. Mueller is leading one investigation of potential coordination between Russia and Trump's presidential campaign, as well as possible obstruction of justice.