article_snippet: Referee Anthony Taylor sent off Albion's Claudio Yacob and Villa's Jack Grealish during the game, which saw Aston Villa progress through to the semi-finals where they will play Blackburn or Liverpool.
article_snippet: Aston Villa fans celebrated by racing on to the pitch following Aston Villa fans 2-0 victory over West Brom at Villa Park .
article_snippet: Both Albion and Aston Villa are awaiting the results of FA and police investigations after crowd trouble at Villa Park where home fans twice invaded the pitch.
article_snippet: Police clash with unruly fans in the aftermath of the FA Cup clash between Aston Villa and West Brom .
article_snippet: West Brom are working with police after footage emerged of supporters appearing to let off fire extinguishers .
article_snippet: Police and the FA the FA are investigating the behaviour of both club's after the unruly scenes in which some West Brom players are also alleged to have tried to trip Villa fans .
highlights_snippet: Aston Villa won a fiesty game, which saw two red cards and crowd trouble .
  