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Telecommunications firm Three have confirmed that they are placing their £40m a year shirt sponsorship deal with Chelsea "under review" in the wake of the sanctions imposed on Blues owner Roman Abramovich.

The billionaire has had his assets frozen in the wake of Russia's ongoing invasion of Ukraine, although he continues to deny any links to president Vladimir Putin.

Chelsea have been given a sporting licence to continue playing and trading despite the move, although the measures will put a block on Abramovich's proposed sale of the club.

Three have been Chelsea's main shirt sponsor since the start of the 2020-21 season, but they are now set to scrutinise the future of the club allowing the uncertainty around Abramovich.

A government statement confirmed the sanctions on Thursday morning.

"Given the significant impact that today’s sanctions would have on Chelsea football club and the potential knock on effects of this, the Government has this morning published a licence which authorises a number of football-related activities to continue at Chelsea," they said in a statement.

"This includes permissions for the club to continue playing matches and other football related activity which will in turn protect the Premier League, the wider football pyramid, loyal fans and other clubs.

"This licence will only allow certain