https://www.theguardian.com/technology/2018/may/01/mps-threaten-facebook-chief-zuckerberg-with-summons-over-data

Tories’ Damian Collins says UK jurisdiction may step in after Cambridge Analytica scandal

MPs have threatened to issue Mark Zuckerberg with a formal summons to appear in front of parliament when he next sets foot on UK soil, unless he voluntarily agrees to answer questions about the activities of his social network and the Cambridge Analytica scandal.