Both Ukraine and Russia have been maneuvering to set the terms and tempo of peace negotiations, while simultaneously trying to win over the White House amid its threats to abandon talks altogether.

Russia and Ukraine discussed further prisoner swaps on Wednesday at a brief session of peace talks in Istanbul, but the sides remained far apart on ceasefire terms and a possible meeting of their leaders.

The warring sides remain far apart after the third round of U.S.-brokered peace negotiations on Wednesday. But there was progress on humanitarian issues.

Russia and Ukraine discussed further prisoner swaps on Wednesday at a brief session of peace talks in Istanbul, but the sides remained far apart on ceasefire terms and a possible meeting of their leaders.

High-stakes talks between Russia and Ukraine began Monday, shortly after the Ukrainian president’s office said the invaded country’s goal for the discussions was an immediate cease-fire and ...

Negotiators for the warring sides in Istanbul appeared to make little progress on ceasefire terms or a possible summit between their presidents – with their meeting ending after less than an hour.