The talks have taken place in the warring capitals of Moscow and Kyiv, from Washington and Riyadh, Saudi Arabia, to countries across Europe. Now, all eyes are finally turning to Istanbul to seek an end to Russia's 3-year-old,

U.S. President Donald Trump and his Russian counterpart Vladimir Putin will not attend what could be the first direct peace talks between Moscow and Kyiv in three years on Thursday, the Kremlin sending instead a group of experienced technocrats.