House Democrats on Monday released an additional transcript taken from closed-door testimony during the impeachment inquiry into President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE.

This time, the testimony is from Laura Cooper, a top Defense official who oversees Ukraine.

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Cooper, the deputy assistant secretary of Defense for Russia, Ukraine and Eurasia, in her testimony said she raised concerns about the U.S. freezing military aid to Ukraine. The impeachment inquiry has examined whether this hold was linked to Trump's requests to Ukraine's president to launch politically motivated investigations.

Cooper also testified she heard from Kurt Volker Kurt VolkerGOP senators request details on Hunter Biden's travel for probe Yovanovitch retires from State Department: reports Live coverage: Senators enter second day of questions in impeachment trial MORE, the former special envoy to Ukraine who has also testified in the House probe, of a possible link between aid and a requested statement from Ukraine's president "disavowing election interference" in the U.S.

Cooper testified Oct. 23 before the three joint committees leading the House impeachment probe: the House Intelligence, Foreign Affairs and Oversight and Reform committees.

Read Cooper's testimony in the transcript released by House Democrats below: