Russia demanded that NATO rescind its 2008 promise to eventually grant Ukraine membership and stressed this as insufficient without explicit revocation. Russian Foreign Minister Sergei Lavrov argued Ukraine’s NATO inclusion poses direct threats to Russian sovereignty and urged Ukraine to adopt its 1990 neutral stance.

Talks between the United States and Russia over the war in Ukraine are set to begin Tuesday, multiple sources have told CNN.

Ukrainian President Volodomyr Zelensky said his nation was not invited to the negotiating table, The Guardian reports.