Ukraine war updates: U.S. reportedly urges Kyiv to cease strikes on Russian oil refineries; Ukraine receives overseas assistance after energy grid hit

This is CNBC's live blog tracking developments on the war in Ukraine. See below for the latest updates. 

Washington urged Kyiv to cease drone strikes on Russian energy infrastructure, cautioning that the attacks risk driving up global oil prices, the FT reported Friday.

Despite sanctions, Russia remains one of the world's most important energy exporters, and the White House is concerned that such strikes could result in retaliatory attacks on Western energy infrastructure, according to sources familiar with the discussions.

Ukraine's energy grid began receiving urgent assistance from abroad Friday after a series of Russia air strikes damaged energy facilities, leaving more than 1 million people without power.

The country's occupied Zaporizhzhia nuclear power plant — the largest in Europe — was on the verge of blackout after Moscow struck a nearby hydroelectric dam. Russian management said main power line was later restored.

Meantime, the International Monetary Fund approved a third review of Ukraine's $15.6 billion loan program, allowing the embattled country to draw budget support of $880 million.

Ukraine's energy grid began receiving urgent assistance from abroad after a series of Russia air strikes damaged energy facilities, national grid operator Ukrenergo said Friday.

Poland, Romania and Slovakia were providing support after the attacks left more than 1 million people without power, the company said in a post on Telegram.

Ukraine's occupied Zaporizhzhia nuclear power plant — the largest in Europe — was on the verge of blackout Friday morning after Russia struck a nearby hydroelectric dam.

Russian-controlled management said shortly afterward that the plant's main power line was up again after a high-voltage line supplying