BRUSSELS (Reuters) -Ukrainian President Volodymyr Zelenskiy hailed "very important" new U.S. and European Union energy sanctions on Russia on Thursday, but said more pressure would be needed on Moscow to secure a ceasefire in the war.

"In Chernihiv and Sumy oblasts, restoration work is underway across all affected areas following Russian strikes on our energy infrastructure. In Zaporizhzhia Oblast, (Russian forces) even used FPV drones to target transformers,

Kot is among millions of Ukrainians who are bracing for another winter of power cuts and possibly blackouts as Russia renewed its campaign of attacks on the country’s energy grid. Analysts and officials say that this year Moscow has shifted tactics, targeting specific regions and gas infrastructure.

Hungary’s Prime Minister Viktor Orbán was delighted to learn last week that Russia and the United States had chosen his country as the venue for another summit on ending the war in Ukraine.

As a result of the large-scale missile and drone attack on Ukraine's energy infrastructure, emergency power cuts have been introduced in most regions of the country. The intensive strikes have caused damage and power outages across Ukraine, while some trains are operating with delays and on altered routes.

The US government jolted energy markets when it sanctioned Russia’s two biggest crude oil producers on Oct. 22. All eyes are now on how the sanctions will affect the supply and price of petroleum across the world.

Power has been restored to over 800,000 residents in Kyiv, a day after Russia launched major attacks on Ukraine's power grid, causing widespread blackouts.