WARSAW (Reuters) -Poland's prime minister said on Monday he felt a mixture of fear and hope ahead of a Russia-U.S. summit on the war in Ukraine this week, but added that Washington had pledged to consult its European partners before the talks.

The summit is poised to be a high-stakes negotiation over the direction of the Ukraine conflict, amid concerns from Europe and Kyiv.

Michael McFaul, a former U.S. ambassador to the Russian Federation, accused Steve Witkoff of "deeply damaging incompetence."

President Donald Trump and Russian President Vladimir Putin will discuss territory, security guarantees and the need for Ukraine to decide its own future, NATO chief Mark Rutte said.

On “This Week,” ABC News' chief global affairs correspondent Martha Raddatz reports on what Presidents Trump and Putin’s upcoming meeting means for Ukraine.

Vladimir Putin is coming to America, despite the international warrant for the Russian president’s arrest, despite his years of hostile threats against NATO, and despite him showing no remorse for his invasion of a sovereign nation.