US President Donald Trump has claimed that Ukraine would "not have lasted one or two days" in its war with Russia without American weapons and equipment.

Czech Prime Minister Andrej Babiš has stated that German Chancellor Friedrich Merz should lead negotiations on behalf of the European Union with the aim of ending Russia's aggression in Ukraine.

Ukraine has asked Germany to provide dozens of additional interceptor missiles for Patriot air defence systems from its own stockpiles this year in order to strengthen the country's protection against Russian attacks.

NATO sees no problem with Ukraine striking St Petersburg on the day the St Petersburg International Economic Forum, Kremlin leader Vladimir Putin's key international event, opens there.

Ukrainian President Volodymyr Zelenskyy has revealed details of an agreement with the US and partners on the supply of new Patriot air defence systems, for which funds are now being urgently sought.

NATO Secretary General Mark Rutte, during a visit to Ukraine, has spoken about rising Russian losses in the war and made a public address to Russian youth.

The European Union plans to make a decision on the status of Ukrainian refugees after March 2027 in July 2026; if not, the decision is expected in September.

Polish authorities support the idea of restricting access to temporary protection in the European Union for Ukrainian men of conscription age.

EU Ambassador to Ukraine Katarína Mathernová has responded to the large-scale strikes on Ukraine, stating they are evidence that Russia is failing on the battlefield.

Kyrylo Budanov, Head of the Office of the President of Ukraine, has said negotiations involving the United States and Russia are continuing at the technical level despite the current pause in high-level contact.

Acting Romanian Defence Minister Radu Miruță has stated he cannot confirm claims made by President Nicușor Dan that the Russian drone which hit a residential building in Galați on 29 May had been intercepted by Ukrainian air defences.

Slovak Prime Minister Robert Fico has said the European Union should immediately begin dialogue with Moscow after a Russian attack drone hit a residential apartment block in the city of Galați, Romania.

European Commission President Ursula von der Leyen has said that the incident involving a Russian drone crashing into a residential building in Romania demonstrates that Russia has crossed yet another line.

A lack of time and the restrictions under which the country's military is forced to operate were the reasons a Russian drone was not shot down in the Romanian city of Galați, a Romanian Defence Ministry representative has stated.

Romanian Foreign Minister Oana Țoiu has said that the crash of a Russian drone into a residential building in Galați could justify invoking Article 4 of the North Atlantic Treaty Organization treaty for consultations with allies.

The Romanian Foreign Ministry has described the crash of a Russian UAV into a high-rise residential building in the city of Galați on the night of 28-29 May as a "serious escalation" by Moscow.

Swedish Prime Minister Ulf Kristersson has announced that 16 used Gripen fighter jets are to be sent to Ukraine, and there are plans to purchase 20 new aircraft of the same model.

European ambassadors have been shown foreign-made components found in Russian missiles and UAVs launched on Ukraine on the night of 23-24 May.

The US Embassy has dismissed claims by Kaja Kallas, EU High Representative for Foreign Affairs and Security Policy, that American diplomats have left the Ukrainian capital because of Russian threats of missile strikes.

Bulgarian Prime Minister Rumen Radev believes that the European Union should take a leading role in negotiations with Russia to put an end to its full-scale invasion of Ukraine.

Norway and the European Union have signed an agreement worth more than NOK 400 million to help secure Ukraine's energy system before winter.

The German Embassy in Ukraine has said it will continue its work despite Russia's threats of further strikes on Kyiv and calls for Western diplomats to leave the Ukrainian capital.

The European External Action Service has summoned the Russian chargé d'affaires over Moscow's threats to foreign diplomats.

Remigijus Bridikis, director of Lithuania's State Security Department (VSD), has stated that amid drone incidents, Russia is conducting an information operation against Lithuania and other Baltic states while, in the long term, testing its readiness for various scenarios, including military ones.

US Secretary of State Marco Rubio has said that Russian Foreign Minister Sergei Lavrov asked him during a phone call on Monday 25 May to pass on a message from Russian ruler Vladimir Putin to US President Donald Trump that Russia would strike Kyiv.

Norwegian Army Commander General Eirik Kristoffersen and Commander-in-Chief of the Armed Forces of Ukraine Oleksandr Syrskyi jointly visited Ukrainian troops in a front-line zone in southern Ukraine.

Finnish President Alexander Stubb said on Sunday 24 May that he would be willing to represent Europeans in potential peace negotiations with Russia.

NATO Secretary General Mark Rutte has said he heard "a lot of encouraging comments" from allies on support for Ukraine during a ministerial meeting of Alliance countries.

Estonian Foreign Minister Margus Tsahkna has said Russia is deliberately directing Ukrainian drones into the airspace of NATO countries in an attempt to weaken support for Ukraine.