Lithuanian Foreign Minister Kęstutis Budrys has called on the ministers of EU member states to jointly appeal to the European Commission and urge it to adopt a strategy for countering Russia's hybrid actions. 

US Secretary of State Antony Blinken has discussed the need to strengthen military support for Ukraine with UK Foreign Secretary David Lammy.

Nate Fick, US Ambassador at Large for Cyberspace and Digital Policy, and Doug Beck, Director of the Defence Innovation Unit, have arrived in Kyiv to meet with representatives of Ukraine's defence and technology sector.

Czechia has organised a campaign to raise money for a Sikorsky UH-60 Black Hawk combat helicopter to be supplied to Ukrainian military intelligence.

Poland scrambled its aircraft because of a Russian large-scale combined strike on Ukrainian regions on the morning of 13 December.

Following a meeting with Polish Prime Minister Donald Tusk, French President Emmanuel Macron praised Poland's role in supporting Ukraine since the Kremlin unleashed its full-scale war against Kyiv.

French President Emmanuel Macron has arrived in Warsaw, Poland.

Kaja Kallas, the new High Representative of the European Union for Foreign Affairs and Security Policy, believes that billions of Russian state-owned funds frozen in the EU should be used to help Ukraine.

Ukraine’s Foreign Minister Andrii Sybiha will visit Germany on 12 December on the invitation of his German counterpart Annalena Baerbock.

Finnish Prime Minister Petteri Orpo has said it is critical that the international community continue to help Ukraine in its struggle against Russian aggression.

Svenja Schulze, Minister for Economic Cooperation and Development of Germany, arrived in Kyiv on 12 December to personally hand over part of Germany's aid to Ukraine for the third winter of the full-scale war against Russia.

The Marshal of the Sejm (the speaker of the lower house of the Polish parliament) and presidential candidate from the Poland 2050 party, Szymon Holownia, has said there is a possibility that Polish troops will take part in a peacekeeping mission in Ukraine – but only under the auspices of NATO and within its framework.

German Chancellor Olaf Scholz remains open to further talks with Kremlin leader Vladimir Putin, despite describing their phone converaation in November as a "disappointment".

The United States Agency for International Development (USAID) has sent two rapid response buses to the scene of the Russian attack on the city of Zaporizhzhia on 10 December.

Hungarian Prime Minister Viktor Orbán spoke with Kremlin leader Vladimir Putin for an hour on Wednesday, 11 December.