90' Full-time! The final score is 4 - 1.
90' Arsenal are whistled for offside.
90' 3 minutes will be added to the second half in London.
90' CSKA Moscow's Pontus Wernbloom breaks free at Emirates Stadium. But the strike goes wide of the post.
85' In London Arsenal attack through Aaron Ramsey. The finish is off target, however.
84' Arsenal's Danny Welbeck gets in a shot on goal at Emirates Stadium. But the effort is unsuccessful.
83' Viktor Goncharenko (CSKA Moscow) is making a third substitution, with Khetag Khosonov replacing Ahmed Musa.
78' Hector Bellerin for Arsenal has been booked by Pavel Kralovec and receives a first yellow card.
77' Aaron Ramsey hits the post! Very nearly a goal there in London for Arsenal.
74' CSKA Moscow make their second substitution with Georgi Milanov replacing Bibras Natcho.
74' Igor Akinfeev (CSKA Moscow) has received a first yellow card.
74' The home team have replaced Alexandre Lacazette with Danny Welbeck. This is the second substitution made today by Arsene Wenger.
74' Mohamed Elneny is replacing Jack Wilshere for Arsenal at Emirates Stadium.
73' CSKA Moscow push upfield and Pontus Wernbloom gets his head to the ball. The attempt is cleared by an alert Arsenal defence.
73' Arsenal are too eager and fall into an offside trap.
73' Mesut Ozil gets his shot on target but fails to score for Arsenal.
73' Mesut Ozil for Arsenal gets in a strike but fails to hit the target.
71' Arsenal's Nacho Monreal goes close with his head but his effort is blocked.
67' Arsenal advance rapidly upfield but Pavel Kralovec blows for offside.
65' Ahmed Musa for the away team is judged to be offside.
65' The away team replace Alan Dzagoev with Vitinho.
64' Pontus Wernbloom for CSKA Moscow drives towards goal at Emirates Stadium. But the finish is unsuccessful.
64' At Emirates Stadium, CSKA Moscow are penalized for being offside.
62' Georgi Schennikov of CSKA Moscow gets in a strike, but is off target.
61' Henrikh Mkhitaryan, who was grimacing earlier, has been substituted. Alex Iwobi is the substitute for Arsenal.
60' The match at Emirates Stadium is underway again.
59' Attention is being given to Arsenal’s Henrikh Mkhitaryan and play has been suspended briefly.
59' Henrikh Mkhitaryan is back on the pitch.
59' The match is underway again.
59' Pavel Kralovec waits before resuming play because Henrikh Mkhitaryan for Arsenal is still down.
58' Georgi Schennikov is booked for the away team.
57' Granit Xhaka (Arsenal) gets a yellow card.
56' Arsenal push forward through Henrikh Mkhitaryan, whose finish on goal is saved.
56' Arsenal's Aaron Ramsey gets his shot away but it misses the target.
52' Arsenal have been awarded a corner by Pavel Kralovec.
52' Arsenal are coming forward and Aaron Ramsey gets in a strike, it misses the target, however.
51' Ahmed Musa (CSKA Moscow) gets booked by Pavel Kralovec, and will miss the next match due to the number of yellow cards received this season.
51' CSKA Moscow have been awarded a corner by Pavel Kralovec.
49' CSKA Moscow are caught offside.
48' Corner awarded to Arsenal.
47' In London Arsenal attack through Henrikh Mkhitaryan. The finish is off target, however.
46' In London, Arsenal push forward quickly but are pulled up for offside.
46' The whistle has gone to start the second-half.
45' The first-half has ended.
44' Arsenal are pushing forward but Mesut Ozil's finish is wide of the goal.
43' CSKA Moscow have been awarded a corner by Pavel Kralovec.
42' In London CSKA Moscow drive forward through Ahmed Musa. His shot is on target but it's saved.
41' CSKA Moscow's Alan Dzagoev gets his shot away but it misses the target.
39' CSKA Moscow's Alan Dzagoev breaks free at Emirates Stadium. But the strike goes wide of the post.
38' CSKA Moscow's Ahmed Musa is whistled for offside at Emirates Stadium.
35' It's now 4 - 1 in London as Alexandre Lacazette scores for Arsenal.
35' Great play from Mesut Ozil to set up the goal.
33' Aaron Ramsey (Arsenal) gets in a powerful header but the ball is cleared away.
31' Alan Dzagoev (CSKA Moscow) has been booked and must now be careful not to get a second yellow card.
30' Henrikh Mkhitaryan (Arsenal) gets in a strike but the shot is blocked by a defender.
30' CSKA Moscow's Vasili Berezutski misses with an attempt on goal.
28' That's a fine assist from Mesut Ozil.
28' Goal! Arsenal extend their lead to 3 - 1 through Aaron Ramsey.
26' Corner awarded to CSKA Moscow.
23' Goal! Alexandre Lacazette gives Arsenal the lead from the penalty spot. The score is now 2 - 1.
22' An attacking Arsenal player has been brought down in the area - penalty!
21' Pavel Kralovec blows against Arsenal's Alexandre Lacazette for offside.
19' Arsenal have been awarded a corner by Pavel Kralovec.
16' Ahmed Musa for CSKA Moscow gets in a strike but fails to hit the target.
15' Aleksandr Golovin grabs a goal to bring things level at 1 - 1 at Emirates Stadium.
12' Arsenal drive forward at breakneck speed but are pulled up for offside.
12' Vasili Berezutski (CSKA Moscow) gets in a header on goal but the attempt is cleared.
9' Hector Bellerin instrumental with a fine assist.
9' Goal! The home team take a 1 - 0 lead through Aaron Ramsey.
8' Corner awarded to CSKA Moscow.
7' Aaron Ramsey of Arsenal is pulled up for offside.
4' In London CSKA Moscow's Ahmed Musa is caught offside.
4' Mesut Ozil of Arsenal gets in a strike, but is off target.
1' The whistle has gone to start the match.
Arsene Wenger and Viktor Goncharenko have now revealed their starting line-ups.
It is reported that 58285 spectators are in attendance today.