(Reuters) - A senior U.S. diplomat told lawmakers on Saturday he did not know whether President Donald Trump had withheld aid for Ukraine to force an investigation of a political rival, two sources said, even as Democrats said he corroborated evidence gathered in their impeachment probe.
Philip Reeker, the acting assistant secretary of state for European and Eurasian affairs, spent about eight hours with the House of Representatives Foreign Affairs, Intelligence and Oversight committees behind closed doors at the U.S. Capitol.