The Trump administration’s push for Ukraine to hold elections once a ceasefire is agreed upon would be a “failed plan” without additional guarantees, according to an adviser to Ukrainian President Volodymyr Zelensky.

President Donald Trump tasked Keith Kellogg to negotiate an end to Russia’s war in Ukraine, but the two have not provided many details about how they intend to accomplish ending what has been the deadliest war fought in Europe since World War II.