Britain has barred Angolan billionaire Isabel dos Santos and Ukrainian oligarch Dmytro Firtash and has frozen their UK assets, the government announced on Thursday, in what it said was part of a new crackdown on 'dirty money'.

In June 2021, Ukrainian President Volodymyr Zelenskyy signed a decree imposing sanctions on Firtash, including the freezing of his assets and withdrawal of licences from his companies, after accusing him of selling titanium products to Russian military companies.

The UK has issued fresh sanctions against a series of “unscrupulous kleptocrats”, including Ukrainian oligarch Dmitry Firtash and Angolan billionaire Isabel Dos Santos, as it cranks up its crack down on corruption and dirty money.

The UK government on Thursday announced sanctions on Angola's Isabel dos Santos, the billionaire businesswoman and daughter of the country's former president, as part of a new anti-corruption drive.The Conservative government of Boris Johnson announced the first sanctions under its new global anti-corruption regime in 2021.

The U.K. has sanctioned Ukrainian oligarch Dmytro Firtash, along with Angolan billionaire Isabel dos Santos, and Latvian politician Aivars Lembergs, according to the U.K. government’s website statement on Nov.

Britain has imposed a travel ban and an asset freeze on Angolan billionaire Isabel dos Santos under its global anti-corruption sanctions regime, the British government said on Thursday. Dos Santos, whose father Jose Eduardo dos Santos ruled Angola for 38 years until 2017,