Scheme to avoid tax on offshore billions may have been botched because money was managed from the UK, BBC learns.

Roman Abramovich could owe up to £1bn in unpaid taxes from investments funding Chelsea FC, according to leaked documents.

A tax avoidance scheme linked to Roman Abramovich may leave him owing the UK £1 billion, partly funding Chelsea FC.

Roman Abramovich may owe up to £1 billion in unpaid taxes after hedge fund investments were mismanaged from the UK, linked to ...