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.

Trump will meet Putin in Alaska to negotiate a ceasefire in Ukraine. But Zelensky has objected to being left out.

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