EU approves new sanctions against Russia.

"There are sometimes difficult moments in our societies, but as presidents, we must define policies that keep us united. Without our independence, Moscow will inevitably push further into Europe and will come for Poland," President Volodymyr Zelensky said in Warsaw.

Ukraine will conduct necessary examinations to identify the bodies, which Russia says belong to Ukrainian soldiers, the Coordination Headquarters for the Treatment of Prisoners of War reported.

European leaders have approved an interest-free loan for Ukraine, providing a financial lifeline and securing a large portion of the cash-strapped country's financing needs for the next two years.

"Nevertheless, we see, feel, and know about certain signals, including from (Ukraine), that they are ready to engage in some kind of dialogue," Russian President Vladimir Putin said.

U.S. President Donald Trump signed into law a $900 billion defense spending bill on Dec. 18, approving a sweeping package that includes $800 million in military assistance for Ukraine.

U.S. President Donald Trump said Dec. 18 that he hopes Ukraine will move quickly amid ongoing diplomatic efforts to end Russia's war.

A Ukrainian Mi-24 helicopter crew was killed in combat, the 12th Separate Army Aviation Brigade reported Dec. 18. "This is an irreparable loss for our aviation, for our country, and for the families who were waiting for their loved ones at home," the brigade said.

Democratic members of the U.S. Congress released additional photos from the Jeffrey Epstein estate on Dec. 18, including images of a Ukrainian woman's passport.

The fund's board of directors reached final consensus on several administrative steps on Dec. 18, paving the way for the fund to accept investments starting in early 2026.

A Russian strike drone hit a civilian car traveling across a bridge in Odesa Oblast on Dec. 18, killing a woman and injuring her three children, Odesa Oblast Governor Oleh Kiper said.

Zelensky is expected to meet Polish President Karol Nawrocki and Polish Prime Minister Donald Tusk.

A Russian ballistic missile system known as Oreshnik has been deployed to Belarus and is entering active combat duty, Belarusian President Alexander Lukashenko said during a press conference on Dec. 18.

European leaders are expected to decide on Dec. 18–19 whether to proceed with a "reparations loan," a plan to lend up to 210 billion euros in frozen Russian assets to Ukraine.