President Donald Trump slammed Ukrainian President Volodymyr Zelenskyy for saying that Ukraine would never accept Russian control of Crimea. The president said the remark was "harmful" to peace efforts.

These should be closed door negotiations," Leavitt continued.Responding to Trump's earlier criticism over Ukraine refusing to legally recognize the occupation of Crimea, Zelenskyy said in a statement that "Ukraine will always act in accordance with its Constitution and we are absolutely sure that our partners in particular the USA will act in line with its strong decisions.