In Washington, Sir Kim Darroch kept a low profile as a planned meeting with the International Trade Secretary Liam Fox and senior White House aide Ivanka Trump went ahead without him.

But concerns are growing about how effective he can be, if he continues to be frozen out.

Sky's US correspondent Cordelia Lynch has been trying to track down the ambassador - effectively in hiding.

SUBSCRIBE to our YouTube channel for more videos:    / skynews  

Follow us on Twitter:   / skynews  

Like us on Facebook:   / skynews  

Follow us on Instagram:   / skynews  

For more content go to http://news.sky.com and download our apps:

Apple: https://itunes.apple.com/gb/app/sky-n...

Android https://play.google.com/store/apps/de...