A top United States diplomat described the “degradation” of American foreign policy Friday while testifying in the impeachment inquiry into U.S. President Donald Trump’s dealings with Ukraine on Friday.

Marie Yovanovitch, who served as Washington’s Ambassador to Ukraine from August 2016 until she was abruptly removed in May, gave a scathing account of US diplomacy to the probe in the Democratic-led House of Representatives.

Yovanovitch described “grave concerns about the degradation of the foreign service over the past few years and the failure of State Department leadership to push back as foreign and corrupt interests apparently hijacked our

Read more: Top US diplomat bashes leadership in Trump probe