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.

Russian and Ukrainian negotiators will meet in Istanbul on Wednesday evening for their first peace talks in more than seven weeks, with Moscow under pressure from U.S. President Donald Trump to strike a deal or face tough new sanctions.

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.