Key Developments in Russia-Ukraine Conflict on December 31, 2025

Russian forces shelled Kostiantynivka in Ukraine's Donetsk region, resulting in one fatality, according to local officials. This attack followed a previous strike in Druzhkivka that killed one person and injured four. Additionally, Russian forces targeted the Black Sea ports of Pivdennyi and Chornomorsk in Ukraine's Odesa region, damaging two Panama-flagged civilian vessels, Emmakris III and Captain Karam, as they approached to load wheat. Ukrainian Deputy Prime Minister Oleksii Kuleba reported that oil storage tanks were also hit during these port attacks.

In response to ongoing shelling, authorities in Ukraine's northern Chernihiv region ordered the mandatory evacuation of residents from 14 border villages, affecting approximately 300 people. Deputy Minister of Energy Olha Yukhymchuk stated that 75,000 households in Chernihiv remain without electricity due to Russian attacks on energy infrastructure. Similar outages were reported in the Kharkiv and Sumy regions. Repair work near the Zaporizhzhia nuclear power plant has been completed to ensure a stable power supply in case of further damage.

Russia's Ministry of Defence announced the capture of two settlements in eastern Ukraine: Lukianivske in the Zaporizhia region and Bohuslavka in the Kharkiv region. Meanwhile, Russian authorities reported that a Ukrainian drone attack on the Black Sea port of Tuapse damaged port infrastructure and a gas pipeline; no injuries were reported. Other Ukrainian drone attacks in Russia's Belgorod region resulted in one death and four injuries.

Kremlin spokesman Dmitry Peskov stated that Russia will "toughen" its negotiating position in peace talks following an alleged attempted drone attack on President Vladimir Putin's residence in Novgorod. Ukraine denies involvement, with Foreign Minister Andrii Sybiha asserting that Russia has not provided plausible evidence. Ukrainian President Volodymyr Zelenskyy criticized countries, including India and the UAE, for condemning the alleged attack, which he claims "didn't even happen." China called for "dialogue and negotiation" as the only viable solution to the crisis.

The Institute for the Study of War noted that the circumstances of the alleged attack do not align with patterns observed in previous Ukrainian strikes into Russia. U.S. Ambassador to NATO Matthew Whitaker expressed skepticism about Russia's accusation, stating, "It is unclear whether it actually happened." The German government shares Ukraine's concern that Russia's allegations could be used to justify further escalation.

President Zelenskyy announced that Ukraine and the Coalition of the Willing plan to hold meetings in early January, with national security advisers meeting in Ukraine on January 3 and leaders convening in France on January 6. Discussions with U.S. President Donald Trump are ongoing regarding the possible presence of U.S. troops in Ukraine as part of security guarantees. Polish Prime Minister Donald Tusk expressed hope for peace in Ukraine, citing security guarantees offered by the U.S. but noting that Kyiv may need to compromise on territorial issues.

The U.S. Treasury Department removed sanctions on Alexandra Buriko, former CFO of Russia's state-owned Sberbank, after she resigned shortly after Russia's full-scale invasion of Ukraine in 2022. Romania's Ministry of Foreign Affairs announced a €50 million contribution to a European initiative to purchase U.S.-made weapons for Ukraine, known as the Priority Ukraine Requirements List (PURL). Belarus released a video claiming the deployment of the Russian nuclear-capable hypersonic Oreshnik missile system on its territory, aiming to bolster Moscow's ability to strike targets across Europe if necessary.