Ukrainian medic Yuliia Paievska appears before US Congress on the Helsinki Commission on Thursday, on Capitol Hill in Washington. AP
Senator Ben Cardin shakes hands with Ms Paievska, a Ukrainian veteran and volunteer paramedic. Getty / AFP
Dr Hanna Hopko, a former member of the Ukrainian Parliament, and Ms Paievska testify on Capitol Hill in Washington. Getty / AFP
The witnesses discussed Russian war crimes and atrocities committed in Ukraine since the start of the war. Getty / AFP
Ms Paievska used a body camera to record her work in Mariupol while the port city was under Russian siege, and was later captured by Russian troops. Yuliia Paievska / AP
Ukrainian President Volodymyr Zelenskyy announced on June 17 that Russia had freed Ms Paievska. Invictus Games Team Ukraine / AP
Bodycam footage shows Ms Paievska's team's frantic efforts to bring people back from the brink of death. Yuliia Paievska / AP
Ms Paievska assists as a serviceman is brought in on a stretcher. Yuliia Paievska / AP
Two wounded Russian soldiers arrive at a hospital to be treated on March 10, in Mariupol, Ukraine, two weeks after Russia invaded. Yuliia Paievska / AP
Ms Paievska was a member of the Ukraine Invictus Games team for military veterans, where she was set to compete in archery and swimming. Invictus Games Team Ukraine / AP