The threats, pressure and ultimatums have come and gone, but Russian President Vladimir Putin has maintained Moscow’s uncompromising demands in the war in Ukraine, raising fears he could use a planned summit with U.

A planned meeting between U.S. President Donald Trump and Russian President Vladimir Putin will be a test for the Kremlin leader, and Ukraine will be involved in upcoming peace efforts if the summit goes well,

As the Putin-Trump summit approaches, Russia's uncompromising demands in Ukraine raise concerns over potential negotiations and territorial gains.