The failure of Vladimir Putin to attend last week talks in Istanbul underscored how elusive any meaningful negotiations are in the conflict.

Donald Trump has issued a direct warning to Russia amid stalled peace talks with Ukraine in Istanbul. The U.S. President vowed to unleash "crushing sanctions" if Putin fails to strike a deal. Trump ...

Hopefully it will be a productive day, a ceasefire will take place, a war that should have never happened, will end, says US President ...