Latvian Foreign Minister Baiba Braže, who ran her first half marathon to raise funds for drones for Ukraine, announced on Tuesday morning that she had already raised €13,500, and the amount continues to grow.

A German initiative to strengthen Ukraine's air defence has raised almost a billion euros for this goal.

German Foreign Minister Annalena Baerbock arrived in Kyiv on 21 May on her seventh visit since the beginning of Russia's full-scale invasion of Ukraine.

Ukraine has a right to strike military targets on Russian Federation soil, and the US and its allies should support the country in doing so, said Victoria Nuland, former US Deputy Secretary of State, in an interview with ABC News after Russia's offensive in Kharkiv Oblast.

The European Commission has commented on the latest Russian air attack on Kharkiv and the surrounding oblast, which killed more than 10 civilians, including a pregnant woman.

UK Defence Secretary Grant Shapps has commented on Russia's problems with labour shortages caused, in particular, by mobilisation for the war of aggression against Ukraine.

On 20 May, US Secretary of Defence Lloyd Austin launched the 22nd meeting of the Ukraine Defence Contact Group (also known as the Ramstein format), underlining the importance of ensuring a long-term supply of weaponry to Kyiv.

Estonian Prime Minister Kaja Kallas has said the Baltic states should convey to Western countries the opinion that peace on Russian terms will not mean an end to human suffering.

Estonian Prime Minister Kaja Kallas has stated that some countries have already sent their instructors to Ukraine to train Ukrainian military personnel.

Bulgarian President Rumen Radev has called Ukraine's victory over Russia "impossible" and linked the war to an assassination attempt on Slovak Prime Minister Robert Fico.

Ukraine is waging a defensive war and therefore should have the right to use partner-supplied weapons to strike places from which Russia launches its attacks, stated Ukrainian Ambassador to the United States Oksana Markarova.

Jean-Louis Bourlanges, Chairman of the French National Assembly Foreign Affairs Committee, has called on the French authorities to allow Ukraine to launch strikes with French-supplied weapons on Russian territory.

Hungarian Foreign Minister Péter Szijjártó has said that he has vetoed the Council of Europe's decision to recognise and support only one peace plan for Ukraine – President Volodymyr Zelenskyy's Peace Formula.

On 17 May, the Council of the European Union decided to suspend the broadcasting of four more media outlets that spread and support Russian propaganda and support the war of aggression against Ukraine: Voice of Europe, RIA Novosti, Izvestia and Rossiyskaya Gazeta. 

The offensive activity of the Russian Armed Forces in Kharkiv Oblast suggests that they seek to create a buffer zone, not capture the city of Kharkiv.

German Foreign Minister Annalena Baerbock, commenting on the Russian military offensive in Kharkiv Oblast, has stated that Ukraine needs to be provided with long- and medium-range weapons.

US senators are divided in their opinion on whether Ukraine should use US-provided weapons to strike Russian territory, especially amid a new Russian offensive in Kharkiv Oblast.

The Pentagon stated that they have not changed their position regarding Ukraine's use of the weapons provided by the US as part of its military assistance.

Nikos Dendias, Minister of National Defence of Greece, has denied media reports that Greece has secretly sent 250 containers with weapons to Ukraine.

Antony Blinken, US Secretary of State, has visited one of the places where Ukrainian drones are manufactured during his visit to Ukraine.

Representatives from 50 of the 160 countries and organisations who were invited to the Global Peace Summit in Switzerland have confirmed their attendance.

Czech President Petr Pavel believes it is naïve to think that Ukraine will be able to regain the occupied territories from Russia "in the foreseeable future." After all, Russia will not just give them back.

US Secretary of State Antony Blinken has commented on the possibility of Ukraine using American weapons on Russian territory.

Antony Blinken, US Secretary of State, has announced that the United States will provide an additional US$2 billion in contributions to a newly created fund to develop Ukraine's defence industry and finance weapons purchases. 

The US Department of Defense has said that the Russian occupation forces are currently trying to advance on the territory of Ukraine, the situation on the battlefield is complicated, and all this is a cause for concern.

Ukraine and Poland are currently working on a draft of a bilateral security agreement.

US President Joe Biden’s administration is working to send an additional battery of the Patriot air defence system to Ukraine.

US Secretary of State Antony Blinken has stated that a potential bilateral security agreement with Ukraine will give military assistance in a variety of sectors, bringing the country closer to NATO membership.

Hanno Pevkur, Minister of Defence of Estonia, has said that the suggestion to send troops to Ukraine has not found support neither in Estonia nor at the European Union level.

UK Defence Secretary Grant Shapps has said that London will never pressure Ukraine to negotiate a peace deal with Russia, as the decision to do so is Ukraine's alone.