FACTBOX-Witnesses scheduled to testify this week in the U.S. impeachment inquiry

The U.S. House of Representatives' impeachment inquiry of President Donald Trump shifts into a higher gear this week when a parade of officials will face questioning by lawmakers over Trump's dealings with Ukraine. The following are the eight witnesses scheduled to testify in what is the second week of the televised hearings.

TUESDAY, NOV. 19 9:00 A.M. EST JENNIFER WILLIAMS, an aide to U.S. Vice President Mike Pence LT. COL. ALEXANDER VINDMAN, Director for European Affairs at the National Security Council 2:30 P.M EST KURT VOLKER, the U.S. special envoy to Ukraine

TIM MORRISON, a former White House aide with the National Security Council who focused on Europe and Russia policy WEDNESDAY, NOV. 20 9:00 A.M. EST GORDON SONDLAND, U.S. Ambassador to the European Union 2:30 P.M. EST LAURA COOPER, Deputy Assistant Secretary of Defense for Russian, Ukrainian, and Eurasian Affairs DAVID HALE, Under Secretary of State for Political Affairs THURSDAY, NOV. 21 9:00 A.M. EST FIONA HILL, former National Security Council senior director for Europe and Russia

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