Kyiv residents huddled against bitter winter cold inside their unheated apartments on Saturday as engineers struggled to restore power, water and heat knocked out in the latest salvo of Russian strikes.

"Emergency power cuts have been introduced in Kyiv due to the consequences of shelling and network overload. Emergency power cuts are not subject to schedules, as they occur in response to critical imbalances in the power system," the statement said.

Russia has carried out some of the heaviest attacks on Kyiv in months, using an estimated 500 drones and 40 missiles, said Ukrainian President Volodymyr Zelenskyy.

Kyiv's electricity system, severely damaged by a winter campaign of Russian bombardment including a strike two nights ago, has been turned off for repairs at the orders of the state grid operator, the city administration said on Saturday amid intense cold weather.

Russia hit Kyiv with its hypersonic Oreshnik missile, only the second time it has used the nuclear-capable weapon in the war with Ukraine. The strike is believed to be a strong message to the West including the US amid Trump's military aggression across the world.

The first seven "invincibility carriages" have opened in Kyiv Oblast in response to the large-scale power outages caused by recent Russian attacks. [An invincibility carriage is a heated stationary train carriage to help those affected by power cuts – ed.

Foreign Ministry attributes damage to malfunctioning Ukrainian air defense system, calls Doha 'priority partner' - Anadolu Ajansı

Russia has rejected claims that its January 8–9 aerial strikes damaged the Qatari Embassy in Kyiv, accusing Ukrainian officials of spreading misinformation and blaming faulty Ukrainian air defense systems instead.