The head of Russia's delegation in the talks, presidential aide Vladimir Medinsky, has confirmed he is in Istanbul and says Russia wants to address the “root causes of the conflict” and establish lasting peace in Ukraine.
This suggests Russian demands stay the same, with reluctance to accept a 30-day ceasefire demanded by Ukraine and its allies.
Kremlin spokesperson Dmitry Peskov says the Russian delegation has been waiting for the Ukrainians in Istanbul since this morning.
He adds that there are "no plans for Putin to travel to Turkey or meet Trump over the next few days".