(Reuters) -Ukrainian President Volodymyr Zelenskiy thanked European leaders on Sunday for backing his demand for a seat at the table as Russia and the United States prepare for a summit this week where Kyiv fears they could seek to dictate terms to it for ending the 3-1/2-year war.

Ukraine will not cede its land, President Volodymyr Zelenskiy said on Saturday, rejecting U.S. suggestions that a deal with Russia could involve swapping territories as Washington and Moscow prepared for talks between their leaders on ending the war.

By Dan Peleschuk and Mark Trevelyan (Reuters) -Ukrainian President Volodymyr Zelenskiy won backing from Europe and NATO on Sunday as he rallied diplomatic support ahead of a Russia-U.S. summit this week where Kyiv fears Vladimir Putin and Donald Trump may try to dictate terms for ending the 3-1/2-year war.