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

"Though that may not be enough to compel Putin to seek peace, it does suggest that the walls are closing in on him."

Ukraine’s President Volodymyr Zelenskyy defiantly declared Saturday that his countrymen “will not give their land to occupiers,” after President Donald Trump suggested that a peace deal would include some “swapping” of territories with Russia.