Arsenal V Tottenham Hotspur - As it happened.
Full time! Tottenham are through to the next round!
Tottenham doing everything they can to see out the clock.
Eriksen stings Cech's palms with one from range.
Tottenham working hard to conserve their lead. Ten to go.
Unsavoury scenes as Dele Alli is hit by an object thrown from the crowd.
Arsenal pushing, and there are more penalty appeals, but they still can't find a way through.
Twenty five minutes and Arsenal need something big.
GOAL! What a goal this is! Kane plays Alli in behind with his first touch, the Englishman is onside and he lifts a finish over Cech.
Big names enter the field. Kane and Lacazette are both on.
Eriksen shoots from a free kick which Cech parries away.
Arsenal looking for a quick start to impose themselves on the game, but there is no way through in the opening exchanges.
We are back underway in London!
And that is the last action of the half. Tottenham winning, but all to play for!
Guendouzi breaks up a counter attack cynically.
They come close. Ramsey forces another save from Gazzaniga.
Five minutes to go, can Arsenal find something?
It's checked by VAR and replays show Moura got the ball before the man. Not much more in the following minutes.
Controversy. Lucas Moura goes in hard on Mkhitaryan in the box and Arsenal appeal for a penalty. Spurs break and Sissoko hammers an effort over the bar.
Aubameyang now hits one across the face of goal and wide.
The Korean international had been on the receiving end of some stick early on in this game. Arsenal fans feel he dived to win a penalty last time out in the derby - he responds by pointing to the badge on his chest in front of the crowd.
GOAL! Son is played through by Alli and finishes calmly!
Eriksen hits one over the bar.
Huge save! Gazzaniga saves from Mkhitaryan one-on-one!
Eriksen flashes one wide.
Ramsey bursts through and gets a shot off following a one-two with Iwobi.
Early chance for Arsenal as Mkhitaryan heads the ball across goal.
We are underway!
The teams are out on the field here, and we are ready to go!
No Harry Kane for Tottenham, but otherwise both teams name strong lineups as they look to qualify through to the semis.
That game was a fiery encounter, and everybody has been warned to be on their best behaviour today, and we have some team news for you!
It's another intallment of the north London Derby, with the two sides having met in the league only weeks ago.
Good evening and thank you for joining us for live updates from the EFL Cup semi final between Arsenal and Tottenham!