https://www.theguardian.com/technology/2018/may/15/mark-zuckerberg-facebook-plans-uk-evidence-mps-parliament

MPs inquiring into Cambridge Analytica breach urge Facebook CEO to appear via video link

Facebook has said Mark Zuckerberg has no plans to come to the UK to give evidence to parliament despite the threat of a formal summons, prompting frustrated MPs inquiring into the Cambridge Analytica data breach to ask if he would appear via video link instead.