Russia and Ukraine exchanged hundreds more prisoners Saturday as part of a major swap that amounted to a rare moment of cooperation in otherwise failed efforts to reach a ceasefire.

Russia and Ukraine swapped hundreds more prisoners on Sunday, the third and last part of a major exchange that reflected a rare moment of cooperation in otherwise failed efforts to reach a ceasefire i...

“The agreement to release 1,000 of our people from Russian captivity became perhaps the only tangible result of the meeting in Turkey,” he said. “We are working to ensure this result is delivered.”