Donald Trump has revealed he only gave security guarantees to Ukraine because he feels “strongly” that Russia will not invade its neighbour again. Ukraine celebrated on Tuesday when the US confirmed for the first time that it would support Kyiv in the event of a peace deal with Moscow. Trump’s officials promised to hep “deter” any future aggression towards Ukraine, and “defend” the country if another attack ever takes place. But Trump poured cold water on the American promise during an interview with the New York Times this week. He said: “I feel strongly they [Russia] wouldn’t re-invade, or I wouldn’t agree to it.” European allies have been pushing to secure such US security guarantees for months, with UK prime minister Keir Starmer even warning any peace deal is doomed to fail without America’s backing. Speaking to MPs in December, Starmer said: “European history is full of peace agreements that failed and sometimes led to even greater conflict. “And that is why it’s really important we attend to this in detail. Putin has shown time …