90' Play has been resumed.
90' Play has been temporarily suspended for attention to Fabian Delph for Manchester City who is writhing in pain on the pitch.
90' Bernardo Silva for the home team is judged to be offside.
90' 4 minutes will be added to the second half in Manchester.
90' At Etihad Stadium, Mesut Ozil has been yellow-carded for the away team.
90' The whistle has gone to end the second half. The match finishes 3 - 1.
87' The home team have replaced Leroy Sane with Bernardo Silva. This is the third substitution made today by Pep Guardiola.
78' Arsene Wenger (Arsenal) is making a third substitution, with Olivier Giroud replacing Granit Xhaka.
78' Jack Wilshere is replacing Alex Iwobi for Arsenal at Etihad Stadium.
78' Ilkay Gundogan is on a sub for Raheem Sterling for Manchester City.
77' Arsenal's Alexis Sanchez has been booked in Manchester.
75' Granit Xhaka (Arsenal) has received a yellow card from Michael Oliver.
74' Manchester City take a comfortable 3 - 1 lead thanks to Gabriel Jesus.
74' David Silva instrumental with a fine assist.
73' Nicolas Otamendi (Manchester City) has been booked and must now be careful not to get a second yellow card.
69' Corner awarded to Manchester City.
69' John Stones's header is off-target for Manchester City.
69' Manchester City have been awarded a corner by Michael Oliver.
68' Gabriel Jesus gets his shot on target but fails to score for Manchester City.
68' Corner awarded to Manchester City.
68' In Manchester, Leroy Sane of Manchester City is presented with a shooting opportunity. But the strike is blocked by the covering defence.
67' Laurent Koscielny (Arsenal) has received a first yellow card.
66' Arsenal have been awarded a corner by Michael Oliver.
65' Great play from Aaron Ramsey to set up the goal.
65' Alexandre Lacazette keeps the away team in the match by reducing the deficit to 1 - 2.
63' Pep Guardiola is making the team's first substitution at Etihad Stadium with Gabriel Jesus replacing Sergio Aguero.
62' Michael Oliver blows against Manchester City's Raheem Sterling for offside.
59' Alexandre Lacazette for Arsenal has been booked by Michael Oliver and receives a first yellow card.
57' The away team have replaced Francis Coquelin with Alexandre Lacazette. This is the first substitution made today by Arsene Wenger.
55' Arsenal's Alex Iwobi gets in a shot on goal at Etihad Stadium. But the effort is unsuccessful.
50' Sergio Aguero nets and Manchester City extend their lead to 2 - 0. The goal came from the penalty spot.
49' Nacho Monreal (Arsenal) gets a yellow card.
49' Manchester City have been given a penalty...
46' The second-half is now underway.
45' Michael Oliver blows to end the first-half.
45' In Manchester Arsenal drive forward through Aaron Ramsey. His shot is on target but it's saved.
45' Michael Oliver will wait an extra 1 minutes before blowing the whistle to end the first half.
41' Corner awarded to Arsenal.
40' Nicolas Otamendi for Manchester City is back on the field again.
39' Michael Oliver has blown to resume play in Manchester.
39' Nicolas Otamendi is down and play has been interrupted for a few moments.
38' Arsenal's Aaron Ramsey is back in action after a slight knock.
36' The match at Etihad Stadium is underway again.
36' Play has been interrupted briefly in Manchester to check on Aaron Ramsey, who is grimacing with pain.
30' Alexis Sanchez of Arsenal is pulled up for offside.
28' Manchester City have been awarded a corner by Michael Oliver.
28' Important block from the Arsenal defence as Fabian Delph fires in a strike for Manchester City.
23' Corner awarded to Manchester City.
19' That's a fine assist from Fernandinho.
19' Goal! Manchester City have got their heads in front thanks to a Kevin De Bruyne strike.
18' Manchester City drive forward and Kevin De Bruyne gets in a shot. Without netting, however.
15' Manchester City drive forward but Raheem Sterling is judged offside.
14' Arsenal's Alexis Sanchez is whistled for offside at Etihad Stadium.
10' Arsenal's Mesut Ozil misses with an attempt on goal.
9' Arsenal are coming forward and Alexis Sanchez gets in a strike, it misses the target, however.
7' Arsenal have been awarded a corner by Michael Oliver.
7' Arsenal have been awarded a corner by Michael Oliver.
5' Alex Iwobi of Arsenal gets in a strike, but is off target.
2' Manchester City are pushing forward but Sergio Aguero's finish is wide of the goal.
2' Corner awarded to Arsenal.
1' The match is underway at Etihad Stadium.
Pep Guardiola and Arsene Wenger have now revealed their starting line-ups.
Today's match is followed by 54286 spectators.