The luxury property portfolio has come under scrutiny amid mounting calls for tougher sanctions which would enable the UK government to seize more British-based Russian assets.
Russia 'recruiting far-Right extremists to carry out terror attacks in NATO countries including Britain' - as London expels Putin spies including Moscow's defence attaché dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.
WARNING, GRAPHIC IMAGES: Leonid Volkov, a long-time ally of the late Russian opposition leader Alexei Navalny, has been attacked with a hammer outside in a small village in Lithuania, where he was living for his own safety
Mr Navalny, leader of the Russia of the Future opposition party, died on February 16 in a Russian prison in the Arctic Circle after being jailed on what his allies said were trumped up charges.
Fears Putin is plotting to murder in UK again as Grant Shapps compares him to Hitler dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.