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Hope Hicks slated to testify before House Intelligence Committee Friday

WASHINGTON, DC - MARCH 27: Hope Hicks, White House director of strategic communications, listens while meeting with women small business owners with U.S. President Donald Trump, not pictured, in the Roosevelt Room of the White House on March 27, 2017 in Washington, D.C.

Pool / Getty Images

White House Communications Director Hope Hicks will testify before the House Intelligence Committee, two committee sources confirmed to CBS News. Hicks, who has been a key member of President Trump's team since the early days of his presidential campaign, is one of the most senior of Mr. Trump's associates to be interviewed by the committee so far.  

On Tuesday, the committee interviewed former White House chief strategist Steve Bannon, and he is expected to return for further questioning Thursday. On Wednesday, the committee interviewed Mr. Trump's former campaign manager Corey Lewandowski, in a session that was still ongoing as of 7:30 p.m. Wednesday.

Lewandowski, CBS News confirmed, has refused to answer questions related to events that occurred after the campaign, such as during the transition. In his Tuesday interview, Bannon relayed questions to the White House, CBS News has confirmed. some questioned posed to him. White House officials told CBS News the scope of the interview extended beyond what they had originally expected, and Bannon's lawyer conferred with the White House outside the interview room.

Sources on the House Intelligence Committee were unaware if there are any limitations on the scope of the scheduled Hicks interview. The interview is expected to take place behind closed doors.  

Special counsel Robert Mueller's team spoke with Hicks in December, according to The New York Times. Both the House committee and Mueller's team are investigating Russian election meddling and any ties to Trump associates. 

CBS News' Olivia Andrzejczak Gazis and Kathryn Watson contributed to this report.