The US Department of State has said that there have been casualties among North Korea's military in Kursk Oblast and warned that the potential deployment of North Korean soldiers to Ukraine to take part in hostilities would be regarded as an escalation.

Ukraine's Ministry of Foreign Affairs responded to Slovak President Peter Pellegrini's statement, in which he suggested that Ukraine may need to make territorial concessions for peace, reminding him of the fate of Slovak territories when they were surrendered to the aggressor.

The Council of the European Union adopted the 15th package of economic and individual restrictive measures on Monday, 16 December, which included North Korean officials and Chinese suppliers of drone kits.

Norway is allocating another NOK 2.7 billion (about US$242.38 million) to strengthen Ukraine's maritime capabilities.

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.