Ukraine and Turkey will meet to discuss a grain deal and prisoner swaps.

 NATO and Zelenskyy will discuss the Black Sea grain deal and a possible prisoner exchange between Moscow and Kyiv during their talks in Istanbul. 

The deal, brokered by Turkey and the United Nations, has been threatened by Russia. Zelenskyy will meet with President Tayyip Erdogan to encourage concrete steps towards Kyiv's membership at NATO's summit next week. Turkey has maintained cordial relations with Russia and Ukraine during the conflict.