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Chelsea Football Club owner wasÌýhit with an assets freeze and a travel ban on Thursday as part of new UK government sanctions targeting seven oligarchs as the invasion of continues.

Among others sanctioned are leading industrialist Oleg Deripaska, Rosneft chief executive Igor Sechin and Gazprom head Alexei Miller, the government announced.

Speculation has swirled for weeks about whether Abramovich would be included in the targeted action against Russian billionaires perceived to be close to the Kremlin.

Abramovich announced last week that he was selling Chelsea, after buying the English Premier League side in 2003, and bankrolled its successes at domestic and European level.

The UK government estimated his net worth at £9.4 billion ($12.2 billion), but said it was mitigating the effect of the sanctions on Chelsea by allowing the club to continue to operate.

A special licence "authorises a number of football-related activities", the government 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," it added.

"These sanctions are the latest step in the UK’s response to Putin’s illegal and unprovoked invasion, designed to ensure he fails in Ukraine by crippling Russia’s economy supporting his war machine", London urged.

Deripaska is Abramovich's one-time business partner, while officials described Sechin as Russian President Vladimir Putin's "right-hand man".

The four others -- Miller, VTB bank chairman Andrey Kostin, Transneft president Nikolai Tokarev and Bank Rossiya chairman Dmitri Lebedev -- are part of his inner circle.

Collectively, the seven have a net worth of about £15 billion, the statement read.

Prime Minister Boris Johnson called the sanctions "the latest step in the UK's unwavering support for the Ukrainian people".

Foreign Secretary Liz Truss added: "Today's sanctions show once again that oligarchs and kleptocrats have no place in our economy or society.

"With their close links to Putin they are complicit in his aggression. The blood of the Ukrainian people is on their hands. They should hang their heads in shame."

The long delay inÌýsanctioning the oligarchs has led to immense pressure on the UK government over fears they may be offloading their British assets.

A local businessman in the UAE has told The New York Times that there is massive demand from Russians for luxury Dubai penthouses.

Yachts and aircraft owned by sanctioned Russian businessmen have also been spotted in the emirate, as Europe begins to seize assets of oligarchs linked to Putin.