(Bloomberg) — Russia fired high-speed ballistic missiles at Ukraine’s capital and western region that borders Poland on Thursday morning in an attack that targeted the nation’s energy system.

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Ballistic Kinzhal missiles were launched at Kyiv and the area around Lviv, the biggest city in western Ukraine, the country’s Air Force command said on social-media platform Telegram.

Power generation facilities and the grid near Kyiv, as well as in Kharkiv region in the east, Zaporizhzhia in the south, and Lviv in the west were damaged, Energy Minister German Galushchenko said in a post on Facebook.

Poland scrambled military jets to patrol the skies, a standard response when Ukraine is under large-scale Russian attack in areas near the border region, Polish military command said on the X Platform.

Russia has stepped up missile strikes on Ukraine in recent months, targeting power, energy and port facilities across the country in an attempt to cripple the economy. Moscow is trying to capitalize on Ukraine’s vulnerable defenses as the military is forced to ration ammunition amid delays in US arms deliveries.

Separately, Ukraine’s second-largest eastern city of Kharkiv and the surrounding region were hit at least 10 times on Thursday morning, triggering some disruptions to power supplies, regional Governor Oleh Synehubov said.

Kharkiv has also become a frequent target of Russian attacks with missiles and gliding bombs.

(Updates with details of damage in third paragraph)

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