Codenamed Eastwood, the operation targeted the so-called NoName057(16) group, which was identified last month by Dutch authorities as being behind a series of denial-of-service attacks on several municipalities and organizations linked to a NATO summit in the Netherlands.

Kremlin spokesman Dmitry Peskov reiterated that Russia's nuclear doctrine "remains in effect" on Wednesday, two days after President Donald Trump announced that the United States and NATO allies will supply advanced weapons to Ukraine.

Russia targeted Ukraine with more than 1,800 drones, 1,200 guided aerial bombs and 83 missiles of various types, President Zelenskyy said.

Two Russian agents were killed by Ukrainian security forces Sunday following reports that the Russian operatives assassinated Ukrainian Colonel Ivan Voronych.

Officials have warned Russian President Vladimir Putin that a demographic crisis could mean the country he leads will be short millions of workers by the end of the decade.

Ukraine’s Security Service said Sunday they had killed Russian special service agents suspected of gunning down a fellow officer in Kyiv earlier this week, saying it believed Russia’s Federal Security Service was responsible.

A Russian official says American Daniel Martindale has been rewarded with citizenship for spying on Ukraine, "by decree of our President Vladimir Putin."

Ukrainian Security Service says two Russian FSB agents suspected of killing Colonel Ivan Voronych on July 10 have been "neutralized" in Kyiv Oblast.