Russian strikes killed at least 12 people in Ukraine, local authorities said on Thursday, after Moscow pummeled its neighbor in overnight attacks.
Missile and drone attacks on the southern port city of Odesa killed six people, the head of the city's military administration Sergiy Lysak wrote on Telegram.
Strikes on the capital Kyiv killed at least four people, including a 12-year-old, the State Emergency Service of Ukraine said, while another two people died in the central city of Dnipro, according to Oleksandr Ganzha, head of the regional administration.
Moscow has fired hundreds of drones on its neighbor almost nightly since the beginning of the four-year war, with Kyiv regularly carrying out strikes within Russia in response to its attacks, AFP said.
Russia's overnight attack on Ukraine triggered a missile alert in the capital Kyiv, where the head of the capital's military administration Tymur Tkachenko warned residents to shelter until the warning was lifted.
In Kyiv, rescuers pulled a child from the rubble of a residential building that collapsed in the Podilsky district, Klitschko said.
The attack on the capital wounded at least 10 people, including several medics, he said.
A blaze broke out at a building in the capital's Obolonsky district where missile debris fell, and cars were on fire, he added.
A drone strike on Ukraine's northeastern city of Kharkiv wounded a 77-year-old woman and a 66-year-old man, the head of the regional military administration Oleg Synegubov said on Telegram.
Five people were wounded in an attack in the southern port city of Odesa, the head of the city's military administration Sergiy Lysak said on Telegram.