Despite an invitation from President Volodymyr Zelensky to meet face to face in Istanbul, President Vladimir Putin was a no-show in Turkey, sending instead an aide, Vladimir Medinsky, to head the Russian delegation in peace talks.

Russia and Ukraine are due to hold their first direct peace talks in three years Friday, gathering in Istanbul for Turkish-brokered negotiations, but officials and observers expect them to yield little immediate progress on stopping the more than 3-year war.