Roman Abramovich has been sanctioned by the 海角视频 Government, freezing the Russian-Israeli billionaire's planned sale of Chelsea.
The Chelsea Football Club owner faces a ban on all transactions with 海角视频 businesses and individuals, as well as a travel ban and transport sanctions.
Others included in the sanctions are Igor Sechin, Oleg Deripaska and Dmitri Lebedev.
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British Prime Minister Boris Johnson said: "There can be no safe havens for those who have supported Putin’s vicious assault on Ukraine. Today’s sanctions are the latest step in the 海角视频’s unwavering support for the Ukrainian people. We will be ruthless in pursuing those who enable the killing of civilians, destruction of hospitals and illegal occupation of sovereign allies."
Mr Abramovich put Chelsea up for sale on March 2 in the wake of Russia's continued invasion of Ukraine.
He has owned Chelsea since 2003 and has always staunchly denied any current political links to Russia's ruling elite, but Boris Johnson's Government has now frozen all his 海角视频 assets.
Chelsea will be given a special licence to continue operation, but the sale of the Stamford Bridge club is now on hold.
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The shape of Chelsea's long-term future has been thrown into doubt, but Government ministers were quick to insist any damage would be limited.
However, while existing ticket holders can attend matches, the future sale of tickets is cast in doubt.
Culture Secretary Nadine Dorries said on Twitter: "Our priority is to hold those who have enabled the Putin regime to account.
"Today's sanctions obviously have a direct impact on Chelsea and its fans. We have been working hard to ensure the club & the national game are not unnecessarily harmed by these important sanctions.
"To ensure the club can continue to compete and operate we are issuing a special licence that will allow fixtures to be fulfilled, staff to be paid and existing ticket holders to attend matches while, crucially, depriving Abramovich of benefiting from his ownership of the club.
"I know this brings some uncertainty, but the Government will work with the league and clubs to keep football being played while ensuring sanctions hit those intended. Football clubs are cultural assets and the bedrock of our communities. We're committed to protecting them."
British billionaire Nick Candy was the latest high-profile business magnate to throw their hat into the ring for Chelsea's sale, amid a host of suitors for the Champions League holders.
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Swiss tycoon Hansjorg Wyss and American investor Todd Boehly were also in the running, with more than 10 credible parties understood to have been compiling bids.
The Chelsea squad will continue to prepare for today's Premier League clash at Norwich as normal, but everyone at the club will now set about examining the details of the current situation.