Trump still ‘open’ to meeting Putin and Zelenskyy; Russia rejects unconditional ceasefire – as it happened

This live blog is now closed. For the latest on the Russia-Ukraine war, read our full report:

• Second round of Ukraine-Russia talks end with PoW deal but no ceasefire

Ruth Michaelson is reporting from Istanbul and will be providing updates on the talks. Here is some colour from outside Istanbul's Ciragan Palace:

A fleet of black sedans arrived outside the Craan Palace in Istanbul, signalling the arrival of some of the negotiations teams.