BBC Sport https://www.bbc.co.uk/sport/av/football/63188465 https://ichef.bbci.co.uk/live-experience/cps/240/cpsprodpb/143CB/production/_127019828_p0d5mp98.jpg Brentford manager Thomas Frank says his team are "fuming" about their performance after they were thrashed 5-1 by Newcastle at St James' Park.