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.

The Estonian Defence Forces Intelligence Centre has noted in its weekly report the advance of Russian forces on the Pokrovsk and Kurakhove fronts in Donetsk Oblast and the successful actions of Ukrainian troops on the Kupiansk front in Kharkiv Oblast.

Hungary "did everything it could" when it initiated a Christmas ceasefire and a large-scale prisoner exchange between Ukraine and Russia, Hungarian Prime Minister Viktor Orbán said.

Andrius Kubilius, the new EU Defence Commissioner, who is on a visit to Kyiv, had to spend the morning of Friday, 13 December, in a shelter due to a large-scale combined attack by Russia.

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.

Because of a new Russian large-scale attack on energy infrastructure, Ukrainian Foreign Minister Andrii Sybiha reminded partners about Ukraine's request for at least 20 additional medium-range air defence systems.

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.

Estonia's Ministry of Foreign Affairs will allocate an additional €200,000 from the 2024 budget to help the people of Ukraine.

NATO Secretary-General Mark Rutte has said that since February 2022, the number of casualties in the Russo-Ukrainian war has exceeded one million people killed and wounded.

Hungarian Foreign Minister Péter Szijjártó has called his Russian counterpart, Sergei Lavrov, to complain about Ukraine's rejection of Hungarian Prime Minister Viktor Orbán's proposal for a Christmas truce and a prisoner-of-war swap between Kyiv and Moscow.

US President-elect Donald Trump does not understand why Washington allowed Ukraine to strike deep into Russia with US missiles.

US President-elect Donald Trump has emphasised that he would continue to support Ukraine in his efforts to resolve the Russian-Ukrainian war.

During a press conference with French President Emmanuel Macron, Polish Prime Minister Donald Tusk refuted rumours that Poland would send troops to Ukraine, saying there were no plans for a European peacekeeping force.

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.

Spain's Foreign Minister José Luis Albares stated that he does not find US President-elect Donald Trump's claim of "ending the war in 24 hours" realistic, as it is impossible unless Russia desires peace.

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.

European Union ambassadors agreed on 11 December on the 15th package of sanctions in response to Russia’s aggression against Ukraine.

Politico has confirmed through its sources that French President Emmanuel Macron plans to discuss the deployment of peacekeeping forces in Ukraine – should the current phase of the war come to an end – with Polish Prime Minister Donald Tusk on Thursday.

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

French President Emmanuel Macron is reportedly considering a potential European peacekeeping mission in Ukraine as a safeguard against renewed Russian aggression. He plans to consult with Poland, which he views as a key ally for such an initiative.

Arguments over mobilisation rates and age in Ukraine have caused tension between Ukrainian President Volodymyr Zelenskyy and US President Joe Biden.

Ukrainian Finance Minister Serhii Marchenko believes that Ukraine has "enough funds and weapons to resist at least until the first half of 2025", even if Washington stops providing aid.