In Sumy, a Russian unmanned aerial vehicle struck a residential building, damaging the upper floors. — Ukrinform.

Deadly shelling across Ukraine from December 9 to December 11 killed 14 civilians and wounded 78 others in the northern Sumy, eastern Donetsk, southern Kherson and eastern Kharkiv regions. Zelenskiy visits Kupiansk as Ukraine retakes parts of the frontline town.

Russian drones targeted the city of Sumy, Ukraine, causing a major power outage after more than 10 strikes in half an hour. This is the second major attack in 24 hours, affecting critical infrastructure and leaving the city without electricity.

A firefighter works at the site of a Russian drone strike, amid Russia's attack on Ukraine, in Sumy, Ukraine, in this handout picture released September 12, 2025. Press service of the State Emergency Service of Ukraine in Sumy region/Handout via REUTERS ...

British, French and German leaders met in London with President Volodymyr Zelenskyy in a show of European support for Kyiv at what they called a “critical moment” in the U.S.