Mark Zuckerberg has been sent a formal request to appear before MPs and answer questions regarding a growing scandal about user data.
The company's founder and chief executive has not commented on reports or made any public appearances following their publication.
"Your officials' answers have consistently understated this risk, and have been misleading to the Committee," Mr Collins informed Mr Zuckerberg.
In his letter, Mr Collins continued: "There is a strong public interest test regarding user protection.
Accordingly we are sure you will understand the need for a representative from right at the top of the organisation to address concerns.
Conservative MP and minister for international trade, Greg Hands, noted that the Zip Code on the letter was incorrect, however.
The building is home to several companies and the men removing the boxes would not confirm where they had come from. »