Ukraine war live updates: Russia battles floods as Ural river swells; Moscow hits 'critical' Ukrainian infrastructure

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

Overnight attacks by Russia on Ukraine damaged infrastructure and private homes, regional officials from several regions across Ukraine said Friday. The Ukrainian army said on Telegram that 16 of the 17 drones Russia used in nighttime attacks had been destroyed.

That follows Thursday's widespread attacks on energy infrastructure in Ukraine that left over 200,000 people without electricity.

Meanwhile, Russian authorities said on Telegram that five Ukrainian drones had been destroyed overnight in southern Russia.

In other news, water levels of the Ural river continued to rise in some parts of Russia, topping 11 meters in the city of Orenburg. Russian state media reported that there was a chance of blackouts in the city.

However, in other towns that have been hit hard by the flood, including Orsk, which was initially one of the most affected areas, water levels fell overnight.

Water levels of the Ural river reached 11 meters and 29 centimeters on Friday in Russia's Orenburg, Denis Pasler, the regional governor, said on Telegram.

In the two hours to 8:00 local time alone, water levels had increased by 6 centimeters, Pasler said, calling the situation "difficult," according to a Google translation of his statement.

The Russian Ministry of Emergency Situations said work to limit the impact of the flood and reduce water levels in towns — including Orsk, which was one of the first places to be flooded as the Ural's water levels began rising last week — was ongoing. Overnight, water levels in Orsk fell by 30 cm, the ministry said on Telegram.

Meanwhile, state media reported that people in the southwestern Kurgan region were