The bombardment took place as Ukrainian President Volodymyr Zelensky is heading to the Munich Security Conference, where he is expected to meet with top U.S. officials.

Ukrainian natural gas production facilities were damaged in a Russian attack on Ukraine's central Poltava region overnight, the state-run oil and gas firm Naftogaz and Energy Minister German Galushchenko said on Tuesday.

Russia and Ukraine attacked each other’s energy infrastructure early Tuesday, just days before U.S. and Ukrainian officials were set to discuss steps toward ending the nearly three-year war sparked by Russia’s 2022 invasion.