Cambridge Analytica-linked firm 'boasted of poll interference'
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Firm in data scandal 'made election boasts'

25 March 2018 Last updated at 12:52 BST

The company that became Cambridge Analytica boasted about interfering in foreign elections, according to documents seen by the Sunday Politics.

Cambridge Analytica is embroiled in a storm over claims it exploited the data of millions of Facebook users.

The Sunday Politics has seen a brochure published by parent company SCL Elections, it is believed prior to 2014.

Ellie Price reports.