Here's a bit more info:-
http://www.derbytelegraph.co.uk/championship-brentford-now-favourites-to-sign-striker-ollie-watkins/story-30434314-detail/story.html
http://www.hitc.com/en-gb/2017/07/11/leeds-united-may-regret-letting-brentford-sneak-ahead-in-ollie-w/
http://www.getwestlondon.co.uk/sport/football/transfer-news/brentford-set-make-first-move-13313902
http://www.derbytelegraph.co.uk/championship-brentford-now-favourites-to-sign-striker-ollie-watkins/story-30434314-detail/story.html
http://www.hitc.com/en-gb/2017/07/11/leeds-united-may-regret-letting-brentford-sneak-ahead-in-ollie-w/
http://www.getwestlondon.co.uk/sport/football/transfer-news/brentford-set-make-first-move-13313902