A person waits in a car parked on a non-illuminated street during a partial blackout in Kyiv, on November 28, 2024, following Russian strikes on Ukrainian energy infrastructure, amid the Russian invasion of Ukraine. Russian strikes left hundreds of thousands of Ukrainians without electricity, regional officials said on November 28, 2024, after Kyiv warned of a "massive" Russian attack on Ukrainian energy infrastructure. Ukrainian President Volodymyr Zelensky slammed a "despicable escalation" by Russia as he accused its military of firing cluster munitions on Ukraine's energy grid in a massive overnight attack. (Photo by Roman PILIPEY / AFP)

This photograph shows lit light bulbs in an appartment during a partial blackout in Kyiv, on November 28, 2024, following Russian strikes on Ukrainian energy infrastructure, amid the Russian invasion of Ukraine. Russian strikes left hundreds of thousands of Ukrainians without electricity, regional officials said on November 28, 2024, after Kyiv warned of a "massive" Russian attack on Ukrainian energy infrastructure. Ukrainian President Volodymyr Zelensky slammed a "despicable escalation" by Russia as he accused its military of firing cluster munitions on Ukraine's energy grid in a massive overnight attack. (Photo by Roman PILIPEY / AFP)

A woman walks on a non-illuminated street during a partial blackout in Kyiv, on November 28, 2024, following Russian strikes on Ukrainian energy infrastructure, amid the Russian invasion of Ukraine. Russian strikes left hundreds of thousands of Ukrainians without electricity, regional officials said on November 28, 2024, after Kyiv warned of a "massive" Russian attack on Ukrainian energy infrastructure. Ukrainian President Volodymyr Zelensky slammed a "despicable escalation" by Russia as he accused its military of firing cluster munitions on Ukraine's energy grid in a massive overnight attack. (Photo by Roman PILIPEY / AFP)

A person stands on a balcony of a theatre building during a partial blackout in Kyiv, on November 28, 2024, following Russian strikes on Ukrainian energy infrastructure, amid the Russian invasion of Ukraine. Russian strikes left hundreds of thousands of Ukrainians without electricity, regional officials said on November 28, 2024, after Kyiv warned of a "massive" Russian attack on Ukrainian energy infrastructure. Ukrainian President Volodymyr Zelensky slammed a "despicable escalation" by Russia as he accused its military of firing cluster munitions on Ukraine's energy grid in a massive overnight attack. (Photo by Roman PILIPEY / AFP)

A woman stands on a balcony above an electric generator during a partial blackout in Kyiv, on November 28, 2024, following Russian strikes on Ukrainian energy infrastructure, amid the Russian invasion of Ukraine. Russian strikes left hundreds of thousands of Ukrainians without electricity, regional officials said on November 28, 2024, after Kyiv warned of a "massive" Russian attack on Ukrainian energy infrastructure. Ukrainian President Volodymyr Zelensky slammed a "despicable escalation" by Russia as he accused its military of firing cluster munitions on Ukraine's energy grid in a massive overnight attack. (Photo by Tetiana DZHAFAROVA / AFP)

Cars drive on a non-illuminated street during a partial blackout in Kyiv, on November 28, 2024, following Russian strikes on Ukrainian energy infrastructure, amid the Russian invasion of Ukraine. Russian strikes left hundreds of thousands of Ukrainians without electricity, regional officials said on November 28, 2024, after Kyiv warned of a "massive" Russian attack on Ukrainian energy infrastructure. Ukrainian President Volodymyr Zelensky slammed a "despicable escalation" by Russia as he accused its military of firing cluster munitions on Ukraine's energy grid in a massive overnight attack. (Photo by Tetiana DZHAFAROVA / AFP)