Man City will face Man Utd in the last four of the Carling Cup, while Blackburn take on Aston Villa.
Manchester rivals clash as Blackburn tackle Villa
Manchester City will face Manchester United in the last four of the Carling Cup, while Blackburn take on Aston Villa.
Old Trafford staged a sensational Manchester derby in the Premier League earlier this season, with Michael Owen sealing a 4-3 victory for United deep into stoppage time.
The two sides will now lock horns over two legs in January after being paired together in the draw for the semi-finals.
Manchester City, who will be at home for the first leg, booked their place in the next round with an impressive 3-0 victory over Arsenal on Wednesday night.
United knocked Tottenham out of the competition in a repeat of last season's final on Tuesday and Sir Alex Ferguson has insisted he will keep faith with the same players.
Blackburn meet Villa in the other semi-final after causing an upset in the last eight and beating Chelsea on penalties after a 3-3 draw.
Aston Villa overcame Portsmouth 4-2 at Fratton Park in their quarter-final tie
Semi-final draw
Manchester City v Manchester United
Blackburn v Aston Villa
First legs to be played week commencing 4th January and second legs week commencing 18th January.
