President Donald Trump on Wednesday warned he would impose “high levels” of taxes, tariffs and sanctions on Russia unless Russian President Vladimir Putin strikes a deal to end the war in Ukraine, even as trade between the U.

Putin has said repeatedly that he is prepared to negotiate an end to the war, which first began in 2014, but that Ukraine would have to accept the reality of Russian territorial gains, which are currently about 20% of its land. He also refuses to allow Ukraine to join Nato.