Although Serbia voted in favor of three United Nations resolutions condemning the Russian aggression against Ukraine, it has not joined international sanctions against Moscow.
Maksym Khaustov, the head of the Kharkiv region's health department, confirmed the deaths following a series of strikes that onlookers said had ignited fires throughout the city.
Nokia said that it has suspended deliveries, stopped new business and moved research and development activities out of Russia in the past weeks.
The Ukrainian authorities have in recent days urged all residents in the east of the country to flee westwards to safety as they fear Moscow will unleash the full force of its military there.
Moscow's indiscriminate attacks have devastated several Ukrainian cities since it sent tens of thousands of troops into its eastern European neighbour on February 24.
Ukraine's Defense Ministry said that on early Tuesday, Ukrainian troops forced Russian forces out of the Kyiv suburb of Makariv after a fierce battle.