KEY POINTS
  • Wylie claims to have been suspended by Facebook, according to a tweet.
  • He's the co-founder of Cambridge Analytica, a firm that worked on Facebook ads for President Trump during the 2016 election
  • Cambridge Analytica denies Wylie's claims that the firm held on to data obtained illegally from millions of Facebook users.
Mark Zuckerberg, chief executive officer and founder of Facebook

Christopher Wylie, a whistleblower who revealed the role played by data analytics firm Cambridge Analytica in obtaining data from Facebook users, said on Sunday he was blocked by the social media network.

On Twitter, Wylie claimed his account was suspended after he spoke up about his role in an alleged scheme to secretly hold data from millions of Americans. Cambridge Analytica is under fire for suspicions that it illicitly obtained user information, which resulted in the site being suspended by Facebook.