The leak of the document and the subsequent reaction from President Trump have left many in the diplomatic corps understandably upset.
The head of the Foreign and Commonwealth Office called the leak malicious, and there is now increased pressure to find who is the source.
Sky's diplomatic editor Dominic Waghorn reports.
SUBSCRIBE to our YouTube channel for more videos:
Follow us on Twitter:
Like us on Facebook:
Follow us on Instagram:
For more content go to and download our apps:
Apple:
Android
