All over.

Yasin Ayari stops an Arsenal counter attack by bringing down Havertz. Needs must in that situation.

Ferdi Kadioglu is booked for taking out Bukayo Saka.

Olivier Boscagli kicks the ball against an Arsenal player to win a throw in, the whole stadium hears the touch. The assistant gives a throw in to Arsenal, and there's disbelief from everyone, none more so than Boscagli. He is booked for his reaction.

Yasin Ayari, Harry Howell and Joel Veltman replace Carlos Baleba, Diego Gomez and Mats Wieffer.

Timber does well to get in down the right of the Albion box, he pulls it back for Trossard to hit, but the Belgian gets it all wrong, slicing it so wide it goes for a throw.

Jack Hinshelwood is replaced by Danny Welbeck.

The German is played in after Baleba is caught in possession, but he races back to block the forward's shot.

Minteh gets past Timber at the byline, pulls it back into the box and Arsenal somehow get it away for a corner from under the crossbar!

The ball falls for Georginio to hit on the half volley from the edge of the box and he does so, forcing a half decent save from Raya. The keeper then needs treatment and is accused of being a cheat by the home crowd for timewasting. Leandro Trossard is introduced from the bench by Arsenal, with the Belgian getting a terrific boo from the Albion fans.

Saka gets into the box and has Martinelli screaming at him for the ball, but the England international goes by himself, taking it wider and wider before sending his shot well over the crossbar.

van Hecke's cross into the box falls for Hinshelwood, he hits it towards goal, but it's blocked! That's going in if the Arsenal defender doesn't get his body in the way.

Diego Gomez goes into the book for pulling at the arm of Declan Rice as the midfielder burst forward.

Yankuba Minteh crosses in from the right, Georginio gets the slightest of touches as it comes into the box, but it's wide of the bottom left corner by a foot or two.

Arsenal are late coming out, before having a little huddle on the pitch. Rice then gets the second half underway.

Yankuba Minteh replaces Kaoru Mitoma, who picked up that knock earlier on in the first half.

We have a check for an Albion penalty as Mats Wieffer is dragged down, but nothing given. We win a free-kick in the centre circle, but the referee blows the whistle for half-time. This is so frustrating, and that's nothing to do with our performance.

Mosquera trips Georginio just inside the Arsenal half. There's a few questions being asked about a second yellow card for the Arsenal defender. The referee doesn't agree, but you'd think Mosquera will be on his last warning.

Martinelli is fouled by Gomez halfway between the edge of the Albion box and the touchline, on the Arsenal left. The visitors take a while to setup before Rice sends it a couple of yards over the crossbar.

That's unfortunate for Albion as Kadioglu wins possession high up, plays the ball to Georginio who has a thump at goal from 18 yards, but Kadioglu, who had fallen over making the pass, slides in the way of the shot and it's behind for a goal-kick.

Kaoru Mitoma crosses in from the left using the outside of his right boot. It looks destined from Hinshelwood's head but is nodded away by his marker. Georginio is then clambered over by Gabriel to head away. The crowd and Fabian Hurzeler are not impressed.

Mitoma dashes into the box and looks to place the ball past Raya, but Arsenal defender Gabriel slides in to block it. It looks as if the Japan international hurts his ankle too.

Mosquera goes into the book for a late challenge on Georginio.

Bukayo Saka fires through a load of bodies in the box, it takes a deflection off the shoulder off Carlos Baleba, wrong-footing Bart Verbruggen and the visitors have the lead.

Raya passes the ball straight to Baleba and he's in on goal, with the Arsenal keeper miles out of his goal. The Cameroonian opts to lob the keeper, but it gives Gabriel the chance to get back and head it clear!

Pascal Gross gets the game underway.

With Lewis Dunk not involved tonight, Pascal Gross wears the armband.