Brentford smash Luton Town for five to pull clear of the relegation places.
Burnley come out on top in a game between the division's bottom two clubs.
Arsenal return to the top of the Premier League with a 2-0 win at Wolves.
Manchester City seal their place in the FA Cup final with a 1-0 win over Chelsea.
Leverkusen break West Ham hearts with a late equaliser to book semi-final spot.
