ALBION were denied by a late Brentford fightback on an evening of frustration at The Hawthorns.
Lewis Macleod headed an added-time leveller for the Bees after Harvey Barnes drilled home the opener in the 77th minute, much to the dismay of the Baggies, who had domianted throughout.
Darren Moore's side registered 14 shots during a first half which saw Jay Rodriguez and Hal Robson-Kanu go agonisingly close before Matt Phillips struck the crossbar.
Sam Johnstone was called upon to make a superb reaction save to deny Emiliano Marcondes after the restart, before Barnes' eighth goal of the season settled matters in what was the first league meeting between the two sides since 1992.