President Volodymyr Zelenskyy has said Europe should also aim to build large armed forces given Russia's plans to expand its army to 3.5 million personnel, adding that such an effort cannot succeed without the experience of Ukraine's military.

President Volodymyr Zelenskyy has said that the Ukrainian army could form the backbone of a future European Joint Force, but that Ukraine "does not have time for this" because of the ongoing war.

Hungarian Prime Minister Viktor Orbán has said that EU leaders at an EU summit were presented with a confidential European Commission document that envisages Ukraine joining the European Union by 2027.

Finnish military intelligence has reported that Russia retains the capability to operate in the Baltic Sea and may continue attempts to damage undersea communications.

Steve Witkoff, US President Donald Trump's Special Envoy, has announced that he will meet with Russian leader Vladimir Putin on Thursday 22 January. The Kremlin has confirmed this information.

President Volodymyr Zelenskyy has stated that Ukraine will not send troops to Greenland, citing three reasons: the ongoing full-scale war, the absence of a request from Denmark and the fact that Ukraine is not a NATO member.

President Volodymyr Zelenskyy has said that he is currently staying in Kyiv, which was hit by a Russian attack, and named the presence of concrete results as a condition for a meeting with the US side.

Russian Foreign Minister Sergei Lavrov has said that temporarily occupied Crimea is "no less important for Russia's security" than Greenland is for the United States.

US President Donald Trump has invited 49 countries and the European Commission to join a "Board of Peace" for Gaza, with Ukraine among the invitees, but Kyiv has not yet responded.

The Polish Air Navigation Services Agency has reported the suspension of operations at Lublin and Rzeszów airports amid a large-scale Russian attack on Ukraine.

US President Donald Trump has shared an excerpt of correspondence with his French counterpart Emmanuel Macron on the Truth Social platform.

US President Donald Trump, in a conversation with NATO Secretary General Mark Rutte, has emphasised the importance of Greenland for US national security and announced meetings on the issue with various parties in Davos.

Kirill Dmitriev, a special envoy of Kremlin leader Vladimir Putin, has said that this week he will visit the Swiss resort of Davos and hold meetings with members of the US delegation on the sidelines of the World Economic Forum.

Ukraine's Foreign Minister Andrii Sybiha has described a Polish campaign to raise money to purchase generators for Kyiv as a powerful display of genuine solidarity, humanity and sincere support.

Ukraine's Foreign Minister Andrii Sybiha has expressed condolences to Spain over a train accident in the province of Córdoba, where 39 people have lost their lives, based on the latest reports.