Russian billionaire Mikhail Fridman
Russian billionaire Mikhail Fridman is challenging the UK police's raids on his home.
  • Russian billionaire Mikhail Fridman said a UK police warrant to search his home was unlawfully obtained, per Reuters.
  • He wants to overturn the warrant which he said was obtained based on allegations from a 2007 report.
  • His lawyer said the allegations were "absolutely typical of classic kompromat."

Sanctioned Russian oligarch Mikhail Fridman told London's High Court on Thursday that a UK police raid on his mansion in London was illegal and based on allegations from a 15-year-old report, according to a Reuters report.