KYIV/BRUSSELS (Reuters) -U.S. President Donald Trump said on Thursday that Ukraine would be involved in peace talks with Russia, after Kyiv and its European allies warned against a "dirty deal" between Washington and Moscow following Trump's call with Russian President Vladimir Putin.Speaking to reporters at the White House, Trump said Ukraine would have a seat at the table during any peace negotiations with Russia over ending the war."They're part of it. We would have Ukraine, and we have Russia, and we'll have other people involved, a lot of people,” Trump said.Asked whether he trusts Putin, he said: "I believe that...