Estonian President Alar Karis has urged people not to lose hope in Ukraine’s future NATO membership, even though there is currently no unanimous political will among allies to approve it.

Polish authorities are looking into how air defence equipment intended for Ukraine came to be left without adequate supervision.

President Volodymyr Zelenskyy has described Russia’s peace memorandum as an ultimatum, emphasising that it leaves no room for the compromises anticipated by Washington.

Ukrainian President Volodymyr Zelenskyy believes that Ukraine must be present at the NATO summit in The Hague, and that not being invited would look like "Putin's victory over NATO".

German Chancellor Friedrich Merz has said that Russia's behaviour in negotiations over the Russo-Ukrainian war indicates the Kremlin's desire to drag out time rather than to reach a real peace agreement.

Ukraine's Ministry of Foreign Affairs has denied claims about a ban on the Party of Hungarians of Ukraine operating in Zakarpattia Oblast (Transcarpathia) in Ukraine's west.

The NATO Parliamentary Assembly meeting in Dayton has focused much less attention on Russia's war against Ukraine than in previous gatherings over the past three years and the American delegation's attitude towards their Ukrainian counterparts was cooler.

Slovenian President Nataša Pirc Musar believes that the European Union should resume some form of dialogue with Russia – at least through quiet diplomacy conducted by a designated team.

US President Donald Trump, during a phone call with European leaders on Monday 19 May, has acknowledged that Russian leader Vladimir Putin is not ready to end the war in Ukraine as he believes he is winning.

Politico, citing two informed sources, has reported that US President Donald Trump's administration has opposed the inclusion of a pledge of continued support for Kyiv and a reference to the illegality of Russia's war against Ukraine in an upcoming G7 statement.

Norway has approved a Ukrainian request to allocate a greater portion of this year's support funds to the production of Ukrainian drones.

Ukrainian President Volodymyr Zelenskyy had separate telephone conversations with French President Emmanuel Macron and UK Prime Minister Keir Starmer on 20 May, during which they discussed diplomatic efforts and further actions within the coalition of the willing.

The Council of the European Union has disclosed the details of additional personal sanctions imposed in response to Russia’s hybrid destabilising activities targeting EU countries and partners.

Ukraine's President Volodymyr Zelenskyy has hosted Norway's Crown Prince Haakon in Kyiv during his first-ever visit to Ukraine.

Polish presidential candidate Karol Nawrocki, who has advanced to the second round of the election, is ready to promise a refusal to support Ukraine's accession to NATO in exchange for the political backing of Sławomir Mentzen, a leader of the far-right Confederation party.