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

Senior officials from the U.S. and Russia meet in Saudi Arabia on improving ties and ending the war in Ukraine - but Ukraine isn't invited.

Saudi Arabia's crown prince wasn't in the room for the first high-level talks between Russia and the United States over Moscow's war on Ukraine on Tuesday, but Mohammed bin Salman still won the day for hosting the gathering that could be a game-changer in the bloody conflict.

Six officials say they believe Russian President Putin could agree to a ceasefire with Ukraine because it would give his military some time to reset and rebuild. However, he is not interested in a "real peace deal.

Top officials from the United States and Russia will hold talks in Saudi Arabia on Tuesday to work toward ending the war in Ukraine, as the Trump administration seeks to negotiate an end to the

High-level delegations from the U.S. and Russia held talks in Saudi Arabia on Tuesday over the fate of Ukraine, the negotiations taking place without Kyiv's participation. The State Department said the talks were aimed to discuss ending the three-year-long war,

Ukrainian President Volodymyr Zelensky said he did not know about U.S.-Russia talks in Saudi Arabia and "will not accept" them.

U.S. Secretary of State Marco Rubio says that Russia and the U.S. have agreed to start working toward ending the war in Ukraine and improving their diplomatic and economic ties