"There is no purgatory for war criminals," Sergiy Kyslytsya told Russia's envoy. "They go straight to hell."
Rob Macaire has said he was intending to join a vigil for plane crash victims, but left as an anti-government demonstration broke out
But Tory leadership tells BBC's Andrew Neil his comments were "misrepresented" to the ambassador.
"He literally doesn’t understand what diplomats do." Critics round on Brexit Party MEP after Newsnight appearance.
Anatomy of a resignation: How the Washington ambassador decided his role was untenable after facing the wrath of Donald Trump.
Sir Kim Darroch, Britain’s ambassador to the US, has resigned after leaked diplomatic cables revealed a blistering critique of President Donald Trump and his administration. In a statement issued on 10 July, Darroch said it was now “impossible” for him to do his job. He leaves his position after three years as ambassador to the US.
Tory leadership favourite under fire after British ambassador to the United States resigns.
Diplomatic crisis deepens after Donald Trump hits back at British ambassador.
Brexit party leader downplays reports that, as prime minister, Boris Johnson would promote him to top job in Washington.
Gerard Araud also called former President Barack Obama the “ultimate bureaucrat” and “a bit aloof."