Russia reportedly launches attacks on Viysk airfield from Caspian Sea as Ukrainian military says air raid alerts in effect across country early on Friday
What we know on day 485 of the invasion
The FSB, the Russian security service, has reportedly detained five people who it claims were trying to buy 1kg of radioactive Caesium-137 for $3.5m on behalf of a citizen of Ukraine.
Citing the Tass news agency, Reuters said the FSB claimed the substance had been intended to be used to stage an incident with purported weapons of mass destruction in an attempt to discredit Russia.