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21:34 GMT - Conor Gallagher has scored a second goal for Atletico Madrid against Union SG as they lead 2-0, while PSG are still 2-0 down at home to 10-man Bayern Munich.
We have around 15 minutes of normal time to be played around Europe.
21:24 GMT - GOAL! Tottenham 4-0 Copenhagen: Spurs charge forward once again and Joao Palhinha eadds a fourth for 10-man Spurs! Goodness me.
Tottenham have scored four goals in a game for the first time since 26th November 2019 against Olympiakos Piraeus (W4-2).
21:22 GMT - GOAL! Tottenham 3-0 Copenhagen: What a goal! Micky van de Ven runs from defence to attack, heaving through the middle of the park before unleashing an unstoppable shot into the back of the net!
Goal of the season contender right there.
Van de Ven has struck six goals across all competitions for Tottenham this season, with Bayer Leverkusen’s Alex Grimaldo the only defender to net more for a top five European side (with seven).
21:20 GMT - GOAL! Liverpool 1-0 Real Madrid: Dominik Szoboszlai whips in a free kick that Alexis Mac Allister heads past Thibaut Courtois.
Nervous moments at Anfield as the goal is reviewed for a possible offside, before it is correctly awarded. Liverpool lead!
21:14 GMT - RED CARD! Brennan Johnson is sent off for Spurs after sliding into the back of Marcos Lopez. The referee initially gave a yellow card, but it is upgrated to red after a VAR review. Tottenham are down to 10.
That's the first red card of Johnson's career, coming after scoring his first Champions League goal.
21:08 GMT - GOAL! Tottenham 2-0 Copenhagen: Wilson Odobert doubles Spurs' lead from a tap-in after Kolo Muani does really well to get around keeper Dominik Kotarski and bring the ball down before passing to Odobert for his first Champions League goal.
21:02 GMT - Liverpool and Tottenham are back underway.
21:00 GMT - Some interesting half-time stats to bring you at Liverpool and Tottenham:
Liverpool
- Seven of Liverpool's nine first half shots came from outside the area, with Dominik Szoboszlai and Alexis Mac Allister having three of those each.
- Thibaut Courtois has made four or more first half saves for the seventh time in a Champions League game, with three of those instances coming against Liverpool (also four in March 2023 and five in the 2022 final).
Tottenham
- Spurs have lost just one of their last 10 Champions League games when scoring the opening goal (W8 D1), the exception coming with defeat to Bayern Munich in October 2019.
- Spurs have had 72.5% of the possession so far during this match, only once in a Champions League game have they recorded a higher figure - 75.2% against PSV in November 2018.
20:55 GMT - The half-time whistle is blown in Paris after 10 minutes of time added on.
Here are the scores at the break:
20:53 GMT - RED CARD! Over in Paris, Luis Dias has been sent off for Bayern in the seventh minute of time added on. Diaz had scored twice in the first 45 minutes, but the Bavarians will play the next 45 with 10 men.
Crucially he will also be ruled out of their next match at Arsenal.
20:48 GMT - HALF-TIME Liverpool 0-0 Real Madrid
20:46 GMT - HALF-TIME Tottenham 1-0 Copenhagen
20:44 GMT - Dominik Szoboszlai has a shot at goal that Thibaut Courtois does well to push away for a corner. Real Madrid have not had a shot on target so far in this game.
In London, Kolo Muani comes close for Spurs but prods his shot wide.
20:38 GMT - Liverpool are under quite some pressure at the moment. Real Madrid have had 74.7% possession over the last 15 minutes with 48.8% of the action in the Liverpool third.
20:32 GMT - NO PENALTY! Liverpool thought they had a chance to open the scoring from the spot. Dominik Szoboszlai has a pop at goal and the ball strikes Aurelien Tchouameni's hand, but the decision has been reversed on a VAR review.
Elsewhere Bayern have doubled their lead at PSG, Luis Diaz scores his second of the game, while Juventus have equalised at home to Sporting.
20:30 GMT - Around the grounds, Sporting are 1-0 up against Juventus, Olympiacos lead PSV 1-0, and Bayern are still leading PSG by the same score, with the Parisians having had a goal ruled out.
20:20 GMT - Timed at 18:21, Johnson's opener was the earliest a Tottenham player has netted a Champions League goal since Son Heung-Min struck after 15:42 against Crvena zvezda in October 2019.
20:19 GMT - GOAL! Tottenham 1-0 Copenhagen: Xavi Simons makes a sumblime pass to Brennan Johnson who finds the corner of the goal from a tight angle after goalkeeper Dominik Kotarski comes rushing out.
What was Kotarski thinking there? Spurs won't mind one jot.
20:07 GMT - Bayern have scored the opening goal of the evening, Luis Diaz fires them ahead at PSG. Elswhere, Liverpool have started brightly at Anfield against Real Madrid and Tottenham are enjoying 82% possession against Copenhagen in London. Both games are still goalless.
20:01 GMT - We're underway around Europe.
19:46 GMT - Attention turns to the later matches with Liverpool in action against Real Madrid and Spurs hosting Copenhagen. We are just under 15 minutes away from kick-off. You can see the team news at 18:48.
19:46 GMT - In the other early game, Napoli drew 0-0 with Frankfurt.
19:45 GMT - Mikel Merino starred for Arsenal, and you can see his match stats below:
19:44 GMT - FULL-TIME! Arsenal go top of the Champions League table with a 3-0 win over Slavia Prague for their 10th win a row. They also equal a club record with their eighth clean sheet in a row across all competitions.
19:37 GMT - There will be five minutes of time added on. Slavia Prague have still not had a shot on target in the match.
19:32 GMT - NO PENALTY! Arsenal's clean sheet record is on the line. Ben White stretches out a high leg to control the ball and the referee points to the spot. But after a short VAR review the penalty is waved away.
19:27 GMT - There are 10 minutes left in Prague.
19:21 GMT - Arsenal make a host of changes, notably Max Dowman comes on for Leandro Trossard.
At 15 years and 308 days, Dowman is the youngest player to ever feature in a Champions League game.
19:16 GMT - GOAL! Slavia Prague 0-3 Arsenal: Another Declan Rice cross and another goal from Mikel Merino! Arsenal are making this look all so easy.
Merino is the first Spanish player to score twice in a European match for Arsenal since Lucas Perez struck a hat-trick at Basel in December 2016.
19:13 GMT - Arsenal have been in total control since taking a two-goal lead with Slavia Prague yet to have a shot on target.
18:54 GMT - GOAL! Slavia Prague 0-2 Arsenal: Seconds after the break and Arsenal double their lead! Leandro Trossard whips the ball in for Mikel Merino to sidefoot into the back of the net.
Timed at 45:35, Merino's strike is the quickest that Arsenal have scored after half time in Champions League history. Ruthless.
18:53 GMT - We're back underway in Prague.
18:48 GMT - The team news has arrived for Liverpool and Tottenham's matches, which you can see below.
Liverpool v Real Madrid
Liverpool: Giorgi Mamardashvili, Andy Robertson, Virgil van Dijk, Ibrahima Konaté, Conor Bradley, Alexis Mac Allister, Ryan Gravenberch, Dominik Szoboszlai, Florian Wirtz, Hugo Ekitiké, Mohamed Salah
Real Madrid: Thibaut Courtois, Álvaro Carreras, Dean Huijsen, Éder Militão, Federico Valverde, Aurélien Tchouaméni, Vinícius Júnior, Arda Güler, Eduardo Camavinga, Jude Bellingham, Kylian Mbappé
Tottenham v FC Copenhagen
Tottenham: Guglielmo Vicario, Destiny Udogie, Micky van de Ven, Cristian Romero, Pedro Porro, Pape Matar Sarr, Rodrigo Bentancur, Wilson Odobert, Xavi Simons, Brennan Johnson, Randal Kolo Muani
Copenhagen: Dominik Kotarski, Marcos López, Pantelis Hatzidiakos, Gabriel Pereira, Junnosuke Suzuki, Elias Achouri, William Clem, Lukas Lerager, Jordan Larsson, Mohamed Elyounoussi, Youssoufa Moukoko
18:38 GMT - In the other early kick-off this evening, Napoli are goalless at half-time against Frankfurt.
18:37 GMT - HALF-TIME! Arsenal go in 1-0 up at the break courtesy of a Bukayo Saka penalty after 32 minutes.
Arsenal are unbeaten across their last 18 Champions League games when scoring the opening goal (W15 D3), since a 2-1 loss to Lens in October 2023.
18:30 GMT - There will be four minutes of time added on at the end of the first half.
18:27 GMT - Arsenal are dominating, and it has been 30 minutes since Slavia Praha last attempted a shot in this game.
18:17 GMT - GOAL! Slavia Prague 0-1 Arsenal: Bukayo Saka fires low beyond the reach of Jakub Markovic and the Gunners lead.
Saka is the first Arsenal player to score in four consecutive Champions League away games.
18:16 GMT - PENALTY! Arsenal having been piling on the pressure over the past 10 minutes and have been awarded a penalty following a VAR review! Lukás Provod sticks up a hand from Declan Rice's corner.
Slavia Prague have conceded two penalties in the Champions League this season, only Union Saint-Gilloise (three) have conceded more.
18:00 GMT - 15 minutes played at the Fortuna Arena and it's an uncomfortable start for the Gunners. Slavia have had four shots to Arsenal's one and have recorded seven touches in the opposition's penalty area compared to the Gunners' two.
17:45 GMT - Referee Əliyar Ağayev blows his whistle and Arsenal get the game underway.
You can listen to live audio commentary of the match by clicking here.
17:40 GMT - We are five minutes away from kick-off.
17:28 GMT - Arsenal are currently third in the Champions League table on nine points from three games and will go top with a win; Slavia Prague are currently 28th with two points.
17:05 GMT - Declan Rice is making his 27th European appearance for Arsenal this evening, as many as namesake Pat Rice made for the Gunners during his career, and returns the venue where he won the Europa Conference League with West Ham.
The 26-year-old is one booking away from a suspension, and will miss their next match against Bayern Munich.
16:55 GMT - There is one other Champions League game kicking-off at 17:45 GMT today, with Serie A champions Napoli against Frankfurt. You can follow that match here.
16:40 GMT - Slavia Prague v Arsenal team news has arrived, and you can see how they line-up below.
Slavia Prague: Jakub Markovic, David Zima, Stepán Chaloupek, Tomás Vlcek, Youssoupha Mbodji, Michal Sadílek, Christos Zafeiris, David Moses, Youssoupha Sanyang, Tomás Chory, Lukás Provod
Arsenal: David Raya, Piero Hincapié, Gabriel Magalhães, William Saliba, Jurriën Timber, Declan Rice, Christian Nørgaard, Ethan Nwaneri, Leandro Trossard, Mikel Merino, Bukayo Saka
16:10 GMT - We have just over two hours until kick-off in the early matches. We'll bring you team news as soon as we have it.
16:00 GMT - Hello and welcome along to a bumper night of action in the Champions League.
There are nine fixtures in Europe's premier competition tonight, including Arsenal at Slavia Prague, Tottenham at home to FC Copenhagen and PSG against Bayern Munich.
But surely all eyes will be on Liverpool as Trent Alexander-Arnold as he makes his highly-anticipated return to Anfield following his summer switch to Real Madrid.
Stay with us throughout the night for all the latest updates from across Europe.