Secretary of Ukraine’s national security and defence council says Russia has increasingly put its economy onto war footing. This live blog is now closed

• Russia-Ukraine war at a glance: what we know on day 635

Ukrainian police say workers were at scene of attacks on village near frontline when Russia launched another strike

Two first responders have been killed by rocket attacks in the Zaporizhzhia region of Ukraine.

Ukrainian police said Russia fired a series of rockets at the village of Komyshuvakha, close to the frontline in Zaporizhzhia, which Russia annexed last year.

Ukrainian government says recent shelling in southern city of Kherson leaves more than 28,000 people without power

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Environmental groups have installed radiation sensors across southern Ukraine to improve the quality of current readings and provide warnings in the event of a nuclear incident.

Greenpeace, which worked with Ukrainian group SaveDnipro to install the detectors, said they had been placed in the city of Zaporizhzhia, home to Europe’s largest nuclear plant, as well as in Yuzhnoukrainsk, Odesa, Tarutyne, Yuzhne, and Uman.

Military says troops have conducted a series of operations having established positions on left bank

• Russia-Ukraine war – latest news updates

Ukrainian troops have conducted a series of successful operations on the eastern bank of the Dnipro River, the country’s military has said.

The claim on Friday comes after official acknowledgment from Russia and Ukraine earlier this week that Ukraine had established positions on the eastern side of the river, which marks the frontline for a stretch of territory in south-east Ukraine.