A view shows a kindergarten damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

An aerial view shows a site of residential buildings, heavily damaged by a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 11, 2023. REUTERS/Valentyn Ogirenko

A municipal worker removes debris at a site of a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 11, 2023. REUTERS/Valentyn Ogirenko

Police guard at site where an apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

A view shows a kindergarten damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

Police guard at site where a kindergarten damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

Local residents leave their apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

A local resident Andrei looks out of a window of his house, heavily damaged by a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 11, 2023. REUTERS/Valentyn Ogirenko

Police officers collect parts of a missile inside a crater that appeared during a Russian strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 11, 2023. REUTERS/Valentyn Ogirenko

A local resident removes debris next to his neighbour's house, heavily damaged by a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 11, 2023. REUTERS/Valentyn Ogirenko

A view shows a kindergarten damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Viacheslav Ratynskyi

A view shows the apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

A view shows a kindergarten damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Viacheslav Ratynskyi

A view shows the site where an apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

Local residents stand near their apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

Emergency staff carry a wounded local resident at a site of an apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

A local resident looks out of a window of her apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

Emergency staff carry a wounded local resident at a site of an apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

A local resident leaves her apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY

Local residents leave their apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

Local residents leave their apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich

Kyiv Mayor Vitali Klitschko visits the site where an apartment building damaged during a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 13, 2023. REUTERS/Gleb Garanich