Topic: Fiona Hill

A former White House expert on Russia and Europe testified in Congress Thursday that a Republican-backed narrative that says Ukraine -- not Russia -- may have interfered in the 2016 U.S. election is false and harmful.

Former U.S. special envoy to Ukraine Kurt Volker said Tuesday that the linking of a probe into Ukrainian energy company Burisma holdings to former Vice President Joe Biden was unacceptable.

The House Intelligence Committee announced a series of public impeachment inquiry hearings to be held next week including senior State Department, Nation Security and Pentagon officials.

National Security Council official Lt. Col. Alexander Vindman said acting White House chief of staff Mick Mulvaney helped coordinate a quid pro quo with Ukraine, a transcript of his House testimony indicates.

A top White House official testified Tuesday that he does not know the identity of the whistle-blower who reported that President Donald Trump pressured Ukraine to investigate former Vice President Joe Biden.

The House impeachment inquiry continues Wednesday with testimony from veteran diplomat Michael McKinley, former adviser to Secretary of State Mike Pompeo.

Hunter Biden expressed regret in the way he accepted work with a Ukrainian oil and gas company, not realizing the impact it might have on his father's 2020 campaign, he told ABC News in an interview broadcast Tuesday.

Former White House adviser Fiona Hill testified before House investigators Monday behind closed doors as part of the impeachment inquiry of President Donald Trump.

While U.K. Prime Minister Theresa May weathers calls to step down following losses in this week's British parliamentary elections, two of her top aides have resigned.