A planned exchange of Russian and Ukrainian prisoners of war failed to take place on Saturday, with Moscow accusing Kyiv of postponing the swap at the last minute, which Ukrainian officials dismissed as more “dirty games” from the Kremlin.

This hold-up to an exchange that both sides said would take place this weekend came hours Moscow's army launched a barrage of missiles, drones and bombs across Ukraine.

We've just seen an update that Ukraine's delegation has arrived in Istanbul for the latest round of peace talks with Russia, according to Heorhii Tykhyi - a spokesperson for Ukraine's foreign ministry. We'll bring you the latest updates and analysis as we get it throughout the day.