Ambassador Gordon Sondland testified that President Trump ordered a pressure campaign on Ukraine and that senior-most administration officials knew about it.

In explosive testimony, Gordon D. Sondland, the United States ambassador to the European Union, directly implicated President Trump, Vice President Mike Pence, Secretary of State Mike Pompeo and other top administration officials in what he said was a push for a “clear quid pro quo” with the president of Ukraine. But during questioning, things got complicated.