Bayern having plenty of joy now. Harry Kane finds Leroy Sane, who blasts in a shot from 20 yards. Andre Onana parries it away. Corner. Onana punches this one away.

Lots of Arsenal players inside the box for Kai Havertz's clipped cross but Gabriel Jesus prods wide.

Short corners were effective against Everton at the weekend for Arsenal but they haven't played any of those so far in this game as Bukayo Saka sends the ball into the box but PSV clear.

Bayern bring on Kingsley Coman for goalscorer Serge Gnabry.

United defender Lisandro Martinez shoves Harry Kane into the assistant referee and gets booked.

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Jamal Musiala is an absolute nightmare to defend against. The Bayern star feeds Harry Kane, who has a shot saved by Andre Onana at full stretch.

Paul: It seems that no matter how close you are when the ball hits your arm or how fast it comes to you that a penalty is now given. You need to have the reactions of a viper to avoid giving a pen away these days it seems. Football is ruined. What ever happened to intent?

Anon: Clear penalty - one arm up, one arm down. It hits the up arm - how is that a natural position.

Arsenal make a couple of changes as Reiss Nelson and Takehiro Tomiyasu come on for Leandro Trossard and Oleksandr Zinchenko.

Marcus Rashford cuts the ball back for Sergio Reguilon, who clips a cross in but nobody is there. Not for the first time.

Diogo Dalot performs a crucial block to stop Harry Kane's through ball reaching Leroy Sane, who would have been one on one.

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The 10 men of Benfica are 2-0 down at home to Salzburg. The Austrians have a four-on-two chance and Oscar Glouk gets the ball from Roko Simic and scores in his first Champions League game.

Harry Kane is the first English player to score a Champions League goal for Bayern.

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PSV come forward in decent numbers with Arsenal exposed after pushing forward on the attack. The ball is worked to Johan Bakayoko on the right side of the box but his curled effort is too close to David Raya.

Steven: The fact that that was given as a penalty shows you how bad VAR and referring is in European competitions. Every United fan has every right to be annoyed to high heavens for that.

Mal: I'm a Liverpool fan but there in no way that is a penalty. Dreadful decision.

Alan: The game's gone - how on earth is that a penalty? Everything and everyone against Utd. Absolute joke, I'm done with this game.

Manchester United have conceded three goals goals in three consecutive games for the first time since December 1978 under Dave Sexton.

Jamal Musiala sends Leroy Sane through and the Bayern winger hits the far post. United on the ropes here.

Stephen Warnock
Former England and Liverpool defender on BBC Radio 5 Live

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That is a vital penalty at a crucial time in the game. They get an opportunity to extend their lead again and Harry Kane takes it.

It is a lovely penalty.

That was such a blow for United, totally killing any hope of building up momentum.

Declan Rice has been everywhere in this game for Arsenal. PSV attacks have been rare but Rice is there to cut out a decent ball into the box.

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That's five goals in five starts for England captain Harry Kane at Bayern Munich.