Trump impeachment: Top White House security official says he had ‘sinking feeling’ after learning of Ukraine quid pro quo

Donald Trump did withhold military aid to Ukraine while demanding its president launch an investigation into Joe Biden’s son, in an apparent quid pro quo deal, a top White House security official has said.Tim Morrison confirmed to members of Congress on Thursday that he had a “sinking feeling” after speaking to Gordon Sondland, the US ambassador to the European Union, and learning of the president’s desire for Ukraine to publicly announce a corruption probe. Mr Sondland had told Ukrainian officials aid would be released if the investigation went ahead, according to a report of Mr Morrison’s testimony in the Washington Post.