Russia’s ministry of defence stated that it had completed its assigned tasks and was tactically withdrawing to allow for grain exports from Ukraine’s Black Sea ports.

“In order to organise humanitarian grain corridors as part of the implementation of joint agreements reached with the participation of the UN, the Russian Federation decided to leave its positions on Zmiinyi Island,” the defence ministry said.

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Ukraine said it had forced Russian troops to flee overnight on two speed boats. The statement, by Ukraine’s southern command, said explosions could still be heard and the island was covered in smoke, appearing to indicate that battles were continuing.