The Metropolitan Police has confirmed that detectives are investigating pension fraud involving 275 victims.
It said that four people were charged on Monday 6 July following allegations that they have defrauded in excess of £22m ($27.7m, €24.2m).
The police provided no details about the types of retirement funds that were affected or how the alleged fraud was conducted.
The four charged are:
- Bromsgrove-based Rikki Nicholl, who was charged with conspiracy to defraud, fraud by misrepresentation and money laundering;
- Wilmslow-based Mark Kelly, who was charged with conspiracy to defraud, fraud by misrepresentation and money laundering;
- Bromsgrove-based Sharon Nicholls, who was charged with money laundering; and
- Wilmslow-based Angela Kelly, who was charged with money laundering.
All four have been summoned to appear at City of London Magistrates Court on Monday 17 August.