There will be five minutes of injury time for City to find an equaliser.
Jesus has lost his head as he hacks down Herrera. Lucky to escape with a yellow card.
Whistle sounds and what a remarkable comeback for Manchester United. His side looked down and out at half time but a resurgent second half lead by Pogba saw him and Smalling overturn a two-goal deficit. City will have to wait to be champions. champions.
MANCHESTER CITY 2-3 MANCHESTER UNITED
Inexplicable save from De Gea! Sane's cross is met by Aguero but the Spaniard tips it over the bar.
Danilo splits the United defense with a throughball to Sterling. But the wingers low cross is blocked by Young.
McTominay on to hold the midfield in place of his more attacking teammate, Lingard.
A few heated exchanges are making this a classic derby. Pogba receives yellow now for a shocking tackle, the City players are not happy.
Huge appeals for a penalty from City as Young goes in on Aguero. Martin Atkinson again waves it away. Young looked to get some ball.
Shout for handball from the City players but it is waved away by the referee.
Double change for City as they bring on De Bruyne and Jesus for Bernardo and David Silva.
GOAL, UNITED, SMALLING! 2-3: The comeback is complete! Stalling is on the end of the Sanchez free kick and volleys past Ederson.
Danilo miscontrols and then proceeds to foul Sanchez. Nice position for a free kick.
Gundogan sends a free kick sailing over the crossbar from prime position. De Bruyne looks on in his training vest with envy.
Sterling shows his frustration with a deliberate foul on Lukaku and gets a yellow card.
Sanchez is revitalised in this half and he breaks up field. Lingard is the recipient of his pass but the left footed strike skews wide.
This time Fernandinho's dinked ball finds David Silva but instead of shooting he tries to feed Gundogan but De Gea smothers.
GOAL, UNITED, POGBA! 2-2: Bang bang! The Frenchman has taken the derby by the scruff of the neck. This time he is on the end of a Sanchez dink and heads home.
GOAL, UNITED, POGBA! 2-1: Picture book goal from United as Sanchez crosses to Herrera. The Spaniard deftly chests down to Pogba who lifts it over Ederson from eight yards. Game on.
Sterling and Gundogan link up but this time the German grazes the outside of the post.
A nice passage of play from United results in a Pogba effort on target. Ederson saves to his right.
Lukaku has his first sight of goal but instead tries to square it to Lingard. Otamendi knocks it away for a corner.
Kick off as Sterling gets us started for the second half.
Lukaku gets a yellow card for a rash challenge on the Belgian compatriot, Kompany.
Half time at the Etihad, and what a half it has been for the home side. It could well and truly be five. It is only two, the first a bullet header from Kompany and the second a precision finish by Gundogan. The reds are left scratching their heads.
MANCHESTER CITY 2-0 MANCHESTER UNITED
Gundogan cannot believe the space he finds himself in, Fernandinho spots that and finds him but the header from the German is straight at De Gea.
Sane breaks forward with pace and cuts one back. Sterling finally keeps one down butbit lacks conviction and De Gea saves comfortably.
First yellow of the game goes the way of a frustrated Herrera.
It should be three nil. David Silva unselfishly puts it on a plate for Sterling but again his shot goes over De Gea's bar.
City are turning it on now. David Silva opens up the United defense which leaves Sterling one-on-one but he skies the chance.
GOAL, CITY, GUNDOGAN! 2-0: A poor De Gea goal kick is picked up by Sane. Eventually it is Sterling who passs to Gundogan who swivels on it and finds the bottom corner.
Excellent football from United and Pogba as he beats two, it frees Young up on the left but his cross goes out for a goal kick.
A worry for City as Fernandinho receives treatment for what looks an ankle injury. He is okay to continue.
GOAL, CITY, KOMPANY! 1-0: Is that the goal that sees City crowned champions? Kompany meets Sane's corner and bullets it past De Gea.
Bernardo Silva dribbles in onto his left foot before a neat one-two with Sterling plays him , in however his toe poke is blocked by De Gea.
Sterling picks Pogba's pocket before feeding David Silvia. His shot from outside the box leaves a lot to be desired.
It looks like City, without a recognised striker, are going to have to work very hard for their chances. United sitting deep but giving their rivals nothing in terms of space.
Kompany's dreadful pass out the back is intercepted by Herrera only for Fernandinho to pluck it off his toes inside the box.
Danilo hits an early cross toward the dimunutive, David Silva. It would have reached the Spaniard if it were not for Herrera's outstretched leg.
In classic Mourinho style, United are letting City go wide and defending with a red wall in the centre. No way through for City yet.
Big appeals for hand ball on Young. Silva's cross seemed to hit Young's hand as he slipped which prevented it getting to Sterling.
Sane gets tackled on the edge of the box and the loose ball falls to Danilo who swings wildly and it does not trouble De Gea.
Lingard gets us underway in te last Manchester Derby of the year.
Hello and welcome to the Etihad for the much anticipated derby between Manchester City and Manchester United.
Manchester City Starting XI: Ederson, Danilo, Kompany, Otamendi, Delph, Fernandinho, Gundogan, Bernardo, Silva, Sane, Sterling.
Manchester United Starting XI: De Gea, Valencia, Bailly, Smalling, Young, Herrera, Matic, Pogba, Lingard, Lukaku, Sanchez.
Manchester City will be looking to secure the league title against their rivals today. United will be looking to stop them as a matter of pride and also cement their spot in second place.
Manchester United XI: de Gea, Young, Antonio Valencia, Bailly, Smalling, Ander Herrera, Matic, Pogba, Lukaku, Lingard, Sánchez
Manchester United Subs: Rojo, Martial, Joel Pereira, Rashford, Victor Lindelöf, McTominay, Mata
Manchester City XI: Ederson Moraes, Delph, Otamendi, Danilo, Kompany, Gündogan, Silva, Fernandinho, Sterling, Bernardo Silva, Leroy Sane
Manchester City Subs: Walker, De Bruyne, Laporte, Yaya Touré, Gabriel Jesus, Bravo, Agüero