Russian forces attacked facilities of Ukraine's Naftogaz Group in the Kharkiv and Sumy regions over the past 24 hours, causing significant damage.
The company's press service reported this on Telegram, according to Ukrinform.
"Oil and gas infrastructure in the Kharkiv and Sumy regions came under attack. On one of the facilities in the Sumy region, the enemy carried out a follow-up strike several hours later," the statement said.
The attacks caused fires, and the facilities sustained significant damage.
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