The Information Commissioner's Office said the search began late Friday, after a judge granted a request for a warrant, and continued for about seven hours. Investigators left Cambridge Analytica's London office about 3 a.m. Saturday.
"We will now need to assess and consider the evidence before deciding the next steps and coming to any conclusions," according to a statement. "This is one part of a larger investigation by the ICO into the use of personal data and analytics by political campaigns, parties, social media companies and other commercial actors."The watchdog is leading the probe with the backing of the European Union's remaining 27 regulators, who this week vowed to collaborate to get to the bottom of the "very serious allegation with far-reaching consequences."
Facebook has also come under pressure since the revelations that vast swathes of data was held by Cambridge Analytica after it was obtained from a researcher who shared the data without the social network's permission. According to news reports, Cambridge University researcher Aleksandr Kogan created a personality-analysis app that was used by 270,000 Facebook users, who in turn gave the app permission to access data on themselves and their friends, ultimately exposing a network of 50 million people.















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