Lawyers for a group of UK residents whose Facebook data was harvested by Cambridge Analytica are now threatening to sue for damages. In a 27-page letter served to the company Tuesday, they accuse Facebook of violating British data privacy regulations. The letter before claim, as it’s called, is the first step in the UK’s legal process for filing a class action suit. It warns Facebook that if it does not adequately respond to a list of questions regarding user privacy within 14 days, the claimants may take legal action against the company in the United States, the United Kingdom, and Ireland. Nearly 1.1 million British citizens could be eligible to join such a suit if it goes forward.
The warning comes from the UK-based law firm Irvine Thanvi Natas Solicitors, which is representing dozens of people who argue that Facebook misused their personal data in violation of UK law. It follows an announcement Monday by separate group, called the