The chairs of the House committees leading the impeachment inquiry are holding a press conference to unveil the articles of impeachment against President Trump. Watch their remarks live.

Fiona Hill, the former National Security Council senior director for Europe and Russia, and David Holmes, the political affairs counselor at the U.S. embassy in Kiev, Ukraine, will testify Thursday in the impeachment probe into President Donald Trump.

A key witness in the impeachment inquiry into President Donald Trump, Gordon Sondland, is testifying before House lawmakers on Wednesday.

Two top national security aides who listened to President Donald Trump’s call with Ukraine are preparing to testify in the impeachment hearings, launching a week of back-to-back sessions as Americans hear from those closest to the White House.

House Democrats are set to convene their second open impeachment hearing on Friday with a witness expected to detail the shadow Ukraine policy run by President Trump's lawyer, Rudy Giuliani.