Johann Wadephul’s comments come as the U.S. and European nations discuss security guarantees for Kyiv as a core element of any potential peace deal.

Russia’s troops are continuing their slow war of attrition in eastern and northern Ukraine, even as the conflict enters a ...

European leaders are to join the Ukrainian president during a visit that seeks a path to ending the war between Ukraine and Russia.

Russia’s illegal seizure of the Crimean Peninsula from Ukraine in March 2014 was quick and bloodless, and it sent Moscow’s relations with the West into a downward spiral unseen since the Cold War.

"The goal is to break through our defenses and advance deep into (our) territory. Their goal, of course, is (occupying) the ...