Question to the Foreign, Commonwealth & Development Office:

To ask the Secretary of State for Foreign and Commonwealth Affairs, with reference to the letter of 15 September 2017 from the Investigatory Powers Commissioner's Office summarising the findings of the 2017 BPD Audit, what methods are used by GCHQ to collect data from social media services; and whether GCHQ collects metadata and content from social media services.

It is the longstanding policy of the Government not to comment on intelligence matters.