Four people have been killed and another 21 injured in a mass Russian drone attack on the central Ukrainian city of Dnipro, the area's regional head has said,
BBC reports.
Serhiy Lysak said a restaurant complex and several residential buildings were ablaze after the attack late on Friday.
He added that "the enemy sent more than 20 drones" to the city, and that "most of them were shot down".
Images and videos later emerged showing firefighters tackling large fires that had engulfed the buildings that were struck, and smashed glass and other debris scattered on the city streets.
Overnight, air sirens were heard sounding in several other Ukrainian regions, including the capital, Kyiv. It was not immediately clear whether there were any casualties.
Meanwhile, the Russian defence ministry said three Ukrainian drones were either intercepted or shot down over the western Belgorod region.
In his video address late on Friday, Ukrainian President Volodymyr Zelensky again accused Russia of targeting Ukrainian energy infrastructure - in violation of a temporary moratorium agreed earlier this month in talks involving the US.
Moscow has also repeatedly blamed Ukraine for attacking Russia's energy sector.
Russian President Vladimir Putin suggested earlier this week that Ukraine should temporarily be placed under UN control to elect what he called a more "competent" government.
It was seen as the latest attempt by the Kremlin to challenge the legitimacy of the Kyiv government - a move widely condemned by Ukraine's allies.
Ukraine accused Putin of proposing "crazy" ideas to delay further movement towards a ceasefire deal being championed by US President Donald Trump.