The director of the United Kingdom's intelligence agency claims Russia has lost nearly 500,000 soldiers in its war with Ukraine since 2022, while also accusing Russia of multiple espionage incidents in the UK.
On Wednesday, 27 May 2026 GMT+7, Anne Keast-Butler, director of the Government Communications Headquarters (GCHQ), the UK's government technology intelligence agency, revealed that nearly 500,000 Russian soldiers have died since Russia launched its full-scale invasion of Ukraine in 2022.
Keast-Butler made this disclosure during her public inauguration speech, where she discussed the threats facing the UK and the measures she believes are necessary to address those threats.
The GCHQ director also warned that the UK is in a “period of consequences” due to Russia's relentless targeting of critical infrastructure across Ukraine.
She accused Moscow of orchestrating multiple espionage operations on British soil, most recently engaging in an unannounced “hybrid war” against the UK and other NATO member countries.
Both the Ukrainian and Russian governments regularly publish estimated casualty figures for the opposing side but rarely disclose detailed losses from their own forces. The latest Ukrainian figures, released in February, state that 55,000 Ukrainian soldiers have died in the war since 2022.
Meanwhile, Russia has not officially released casualty figures since January 2023.
However, BBC Russian Service, together with the independent news outlet Mediazona and volunteer groups, has been compiling data on Russian losses since February 2022 by verifying the identities of deceased soldiers from official reports, media, social networks, as well as from war memorials and new graves.
To date, the BBC has confirmed the identities of 223,539 Russian military personnel who died in combat.
Nonetheless, it is believed the true death toll is significantly higher. Military experts consulted by the BBC estimate that analyses of cemeteries, war memorials, and obituary notices may only account for 45% to 65% of total losses.
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Source:bbc