Carlos Tevez scored four times as Manchester United beat Blackburn Rovers 5-3 in a dramatic night at Old Trafford.

Tevez opened the scoring before setting up United's second with five minutes remaining in the first-half. He bundled home Ryan Giggs' far-post corner nine minutes from the break, then provided the pass that allowed Nani to grab number two shortly afterwards.

Blackburn threatened to make a comeback when Benni McCarthy scored just three minutes after the break, but the likelihood of Paul Ince getting one over on his former manager Sir Alex Ferguson appeared to have been snuffed out by Tevez, who scored two quick-fire goals soon after.

Matt Derbyshire pulled one back for the visitors on 84 minutes, and McCarthy netted his second of the match in the second minute of injury time. Tevez scored his fourth of the match with seconds to spare to book United's place in the semi-finals.

Meanwhile, holders Tottenham Hotspur went a goal behind at Vicarage Road before coming back to beat Watford 2-1.

Tamas Priskin opened the scoring for the home side, with Aaron Lennon guilty of losing the ball in the build-up.

Roman Pavlyuchenko's penalty on the stroke of half-time levelled for the visitors, before Darren Bent's goal mid-way through the second-half gave the Barclays Premier League side the advantage.