U.S. President Donald Trump and his Russian counterpart Vladimir Putin were still "maybes" for what could be the first direct peace talks between Moscow and Kyiv in years after the Kremlin on Wednesday held off disclosing who would represent Russia.

Ukrainian and Russian delegations are set to hold their first direct talks on the possibility of ending the war in Ukraine for more than three years.

Russian President Vladimir Putin has dispatched a four-strong delegation to Turkey for talks on the Ukraine conflict, after his attendance at a summit in Istanbul was in doubt, with geopolitical exper