Man City 0-2 Tottenham: Jermain Defoe gives Tottenham the perfect start by scoring after five minutes against Manchester City at Eastlands

But things take a turn for the worse for the visitors when Didier Zokora is controversially sent off by referee Steve Bennett for a lunging tackle

Brazilian striker Elano goes close for Manchester City but cannot get the home side back on level terms

Steed Malbranque makes City pay with Tottenham's second of the night and celebrates with substitute Jamie O'Hara

Blackburn 2-3 Arsenal: Abou Diaby gets the opener for Arsenal against Blackburn after six minutes at Ewood Park

And when Eduardo da Silva slots confidently past Brad Friedel to make it 2-0, it looks like another Carling Cup masterclass from Arsenal's youngsters

Roque Santa Cruz gives Blackburn an unexpected lifeline just before half-time, although there is more than a hint of offside

And Santa Cruz completes the comeback with his second goal of the night to bring Blackburn right back into the match

Tempers fray in the closing stages and Arsenal's Denilson (r) is sent off for a challenge on David Dunn

Despite being down to 10 men, Arsenal seal a semi-final place when Eduardo da Silva grabs his second goal of the night in extra-time