France, Feb. 24 -- EU foreign policy chief Kaja Kallas is expected to travel to the United States on Tuesday for talks in Washington with her counterpart Marco Rubio as US president Donald Trump continues his push with the Russian leader Valdimir Putin to end Russia's three-year war in Ukraine.

European politiciansare attempting to gain a foothold in the looming peace negotiations after Trump sidelined them as well as the Ukrainian president Volodymyr Zelensky by making direct contact with Putin on 12 February.

"You can discuss whatever you want with Putin," said Kallas at a meeting of EU foreign ministers. "But if it comes to Europe or Ukraine, then Ukraine and Europe also have to agree to this deal."

Trump has fuelled fears that Ukra...