Ukrainian rescuers conduct a search and rescue operation in and around a residential building heavily damaged during a large-scale Russian drone and missile attack on Kyiv that killed at least 10 people on August 28, 2025. AFP
"My thoughts are with the Ukrainian victims and also with the staff of the EU delegation, whose building was damaged in this deliberate Russian strike," European Council president Costa wrote on X.
"The EU will not be intimidated. Russia's aggression only strengthens our resolve to stand with Ukraine and its people."
Costa posted a picture of the inside of an office with the windows blown out, ceiling partially hanging down and debris scattered on the floor.
The EU's ambassador to Ukraine Katarina Mathernova wrote that the delegation had been "severely damaged by the shock wave" of a blast.
An EU official told AFP that none of the bloc's employees had been hurt.
Ukrainian officials said the overnight bombardments -- the second largest of the war -- killed 10 people, including a child.
"While the world seeks a path to peace, Russia responds with missiles," EU top diplomat Kaja Kallas wrote on X.
"The overnight attack on Kyiv shows a deliberate choice to escalate and mock the peace efforts."
Ukrainian President Volodymyr Zelensky said that the deadly Russian missile attack on Kyiv shows Moscow has no interest in "real diplomacy".
"Russia chooses ballistics instead of the negotiating table. It chooses to continue killing instead of ending the war," Zelensky said on social media.
Ukraine expected a "reaction" from the world, including new sanctions, he added, specifically calling on Russia's ally China and EU member Hungary to take strong stances.
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