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In a new blog post published Wednesday morning, Facebook announced that even more people—beyond the initial 50 million—have been affected by the Cambridge Analytica scandal.

At the end of a lengthy piece, authored by Facebook CTO Mike Schroepfer, the company said simply: “In total, we believe the Facebook information of up to 87 million people—mostly in the US—may have been improperly shared with Cambridge Analytica.”

Last month, the British data analytics contractor which worked with Donald Trump’s presidential campaign retained private data from 50 million Facebook users despite claiming to have deleted it. The scandal has spawned numerous lawsuits, and it has put significant pressure on Cambridge Analytica and Facebook.