https://www.cnbc.com/2018/05/16/mark-zuckerberg-will-appear-before-eu-regulators-president-says.html

Mark Zuckerberg Tuesday declined an invitation to testify before UK officials, but he's agreed to meet with the EU Parliament as soon as next week.

"The Conference of Presidents has agreed that Mark Zuckerberg should come to clarify issues related to the use of personal data in a meeting with representatives of the European Parliament," Parliament President Antonio Tajani said in a statement. "The founder and CEO of Facebook has accepted our invitation and will be in Brussels as soon as possible, hopefully already next week."