It remains unclear whether Volodymyr Zelenskyy will be invited to the NATO summit in The Hague this June, but the Ukrainian president is likely to attend a defence industry forum being organised by NATO in parallel with the summit.

Turkish Foreign Minister Hakan Fidan, who is currently on a visit to Moscow, will travel to Kyiv at the end of this week to meet with Ukrainian officials and discuss the outcomes of the 16 May negotiations held in Istanbul.

Hungary currently has no intention of approving the opening of negotiation clusters in Ukraine's EU accession talks due to tense bilateral political relations.

Vladyslav Vlasiuk, President Volodymyr Zelenskyy's Commissioner for Sanctions Policy, has denied claims of a supposed breakdown in cooperation between the United States and the European Union on sanctions.

The Financial Times has learned that the European Commission and the most influential EU member states are insisting on lowering the upper price cap on Russian oil to US$45 to strengthen sanctions against Russia.

German Vice-Chancellor Lars Klingbeil has stated that there have been no new agreements within the government coalition regarding a change of course on lifting restrictions on long-range strikes by Ukraine against Russian territory.

Turkish Foreign Minister Hakan Fidan is visiting Moscow, where he is scheduled to hold talks, including on ending the war in Ukraine. He has already met with Vladimir Medinsky, head of the Russian delegation at the Istanbul negotiations.

President of Ukraine Volodymyr Zelenskyy has urged the United States and Europe to demonstrate strength towards Russia to force it to cease fire.

Ruben Brekelmans, Dutch Defence Minister, whose country is hosting the June NATO leaders' summit, has said the Netherlands is looking for ways to include Ukrainian President Volodymyr Zelenskyy in the programme of the Hague summit.

The final communiqué of the NATO summit to be held in The Hague in June will be significantly shortened, and Russia and Ukraine may not be mentioned.

Brussels is developing an alternative scenario for launching accession negotiations with Ukraine that would bypass Hungary.

President Volodymyr Zelenskyy has stated that if the Russian delegation at the negotiations in Istanbul proves unable to deliver results in the form of a ceasefire, serious sanctions must be imposed on Russia.

US President Donald Trump said on Friday 16 May that he "may" call Russian leader Vladimir Putin to discuss ending Russia's war in Ukraine.

Talks between representatives of Ukraine, Türkiye and Russia have begun in Istanbul, Türkiye.