Plymouth 0-1 Watford: Hameur Bouazza's first-half strike puts Watford into the semi-finals of the FA Cup

Plymouth pile forward in search of an equaliser but David Norris is among those who miss chances to score

Watford keeper Ben Foster and his defence stand firm and despite a great effort, the Championship side go out

Watford's jubilant players can celebrate reaching the last four, while the defeat is a crushing disappointment for Argyle

Chelsea 3-3 Tottenham: Dimitar Berbatov puts Spurs ahead just five minutes into the quarter-final at Stamford Bridge

Chelsea then hit back through Frank Lampard's 22nd-minute equaliser - the midfielder's 19th goal of the season

But Chelsea's fans are left stunned when Michael Essien puts the ball into his own net six minutes later

Chelsea are all over the place at the back and Hossam Ghaly breaks through to put Tottenham 3-1 up

Lampard nets his second goal of the match and his 20th of the campaign to give the Premiership champions hope

And Salomon Kalou fires in a late equaliser to save Chelsea and set up a replay at White Hart Lane

Blackburn 2-0 Man City: Aaron Mokoena fires past City goalkeeper Nicky Weaver as Rovers go through

Rovers are reduced to 10 men when Mokoena is sent off for a second bookable offence midway through the second half

But struggling City are unable to take advantage and Matt Derbyshire scores on the counter attack in injury time

Celtic 0-1 Rangers: Ugo Ehiogu's overhead kick five minutes after the interval wins the Auld Firm clash for Rangers

Ehiogu's goal is his first for Rangers and gives them only their second victory at Celtic Park in seven years