What do Abramovich sanctions mean for Chelsea?

The future of European champions Chelsea has been plunged into doubt after Russian owner Roman Abramovich was hit Thursday with UK government sanctions in response to the invasion of Ukraine.

Abramovich has bankrolled the most successful era in the Blues' history since taking charge in 2003 -- the club have won five Premier League titles and two Champions Leagues among 19 major trophies.

The billionaire -- described by the UK government as part of Russian President Vladimir Putin's inner circle --  had already signalled his intention to sell the club last week as pressure mounted.

UK Culture Secretary Nadine Dorries said the priority was to "hold those who have enabled the Putin regime to account".

Chelsea, who are in Premier League action against Norwich later on Thursday, have been given a special licence to continue to operate but nevertheless face tough restrictions.

They said they would seek talks with the government to amend the licence to "allow the club to operate as normal as possible."

AFP Sport looks at what Abramovich's sanctions mean for the club.

Sale on hold The freezing of Abramovich's assets means any sale of the club is on hold for now.

A spokesman for Prime Minister Boris Johnson confirmed a new licence would need to be granted for the club to change hands and in a manner that would not allow the Russian to profit.

A number of interested bidders have signalled their interest in the club, although many believed Abramovich's reported £3 billion ($4 billion) asking price was unrealistic.

Season to be completed The current licence given to the club to allow their day-to-day operations to continue is due to expire on May 31, after the end of the season.

Chelsea confirmed both their men's and women's teams would