A diplomatic scramble unfolded Saturday after President Donald Trump announced he would meet his Russian counterpart, Vladimir Putin, next week in Alaska, as European leaders rushed to understand the terms of the meeting and ensure Ukraine was not being left out of discussions about its future.

President Donald Trump is open to holding a trilateral summit in Alaska with Russian President Vladimir Putin and Ukrainian President Volodymyr Zelenskiy, a White House official said on Saturday.

The White House is considering inviting Ukrainian President Volodymyr Zelensky to an Alaskan summit between President Trump and Russian President Vladimir Putin, a White House official told The Hill’s sister network NewsNation.