Postpublished at 19:46 British Summer Time 12 April 2017
Bayern Munich v Real Madrid
We are also under way in Munich for the clash of the titans.
Dogged Leicester take one-goal deficit into second leg
Griezmann slots home controversial penalty after Albrighton brings him down
Albrighton challenge appeared to be outside the box
Huth booked and will miss the return leg
Latest: Bayern Munich (Vidal) 1-2 Real Madrid (Ronaldo 2)
Vidal blasts penalty over the bar, Javi Martinez sent off
Phil Dawkes
Bayern Munich v Real Madrid
We are also under way in Munich for the clash of the titans.
Atletico Madrid v Leicester
Game on. The Atletico fans are making plenty of noise. Leicester would probably snap your hand off for a repeat of their 2-1 loss in Sevilla in the last round.
Atletico Madrid v Leicester (19:45 BST)
Here come the teams in both Madrid and Munich. Is this Leicester's final away game in the Champions League for a while or the last European encounter at the Vicente Calderon?
Atletico Madrid v Leicester (19:45 BST)
Claudio Ranieri made some interesting comments on Sky on Monday in his first TV appearance since his sacking by Leicester. The Italian said that "someone behind" him may have been working against him during some of his time at the club.
Well, current City boss Craig Shakespeare says he "has never had any falling-out" with Ranieri.
"We have never had any arguments or hard feelings," said Shakespeare this week.
"Free speech is there for everybody. I don't have any problem with that. I have a clear conscience."
Atletico Madrid v Leicester (19:45 BST)
Dan Walker has recruited Martin Keown and Jermaine Jenas to discuss Leicester City's chances in their Champions League quarter-final first leg against an in-form Atletico Madrid.
Watch the video below...
Atletico Madrid v Leicester (19:45 BST)
Leicester have played Atletico Madrid twice before in European competition. The Foxes lost both.
In 1961, they faced them in the first round of the Cup Winners Cup - a tournament they qualified for as a result of being the losing FA Cup finalists in the season Tottenham won the double. In the first leg, in England, Jorge Mendonca equalised for the Spaniards in the 89th minute after Ken Keyworth's opener.
Enrique Collar and Miguel Jones scored the goals as Atletico won the second leg 2-0.
They two also met in the first round of the Uefa Cup in 1997. Ian Marshall scored the opener in the Vicente Calderon but City ended up losing 2-1 thanks to goals from Juninho and Christian Vieri.
Juninho scored again at Filbert Street, along with Jose Mari, as Atletico sealed a 4-1 aggregate win.
10 points if you can name the rest of the City side over the two legs in 97.
Atletico Madrid v Leicester (19:45 BST)
So how do Leicester stop Atletico Madrid tonight? Spanish football expert Andy West is here to provide some insight, which you can read here.
Atletico Madrid v Leicester (19:45 BST)
After yesterday's attack on the Borussia Dortmund team bus in Germany it's no surprise that there's a significant police presence outside the stadium in Spain...
..and it's similar scenes for the Bayern/Real game too
Borussia Dortmund 2-3 Monaco
Tie back on? It's now Borussia Dortmund 2-3 Monaco. Shinji Kagawa with the goal. Brilliant game, and you can follow it here.
Greig Watson
Reporter, BBC News Online
Leicester City fans have been involved in further clashes with Spanish police ahead of their Champions League tie against Atletico Madrid
Owynn Atkin
BBC Radio Leicester
It was a beautiful day in Madrid and a wonderful atmosphere in the Plaza Mayor when all of a sudden a couple of flares went off. There was blue smoke over the whole of the square.
There was another bang and then the tone of the chanting changed. The noise of the crowd changed and there was a sense of panic.
Another bang went off then the police riot vans moved in very quickly.
I did see bottles being thrown into the air, although I'm not sure who they were directed at.
Borussia Dortmund 1-3 Monaco
Tie over? It is now 3-1 to Monaco in Dortmund. Kylian Mbappe has scored his second goal of the game. A good one as well. You can follow the remaining 10 minutes here.
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Borussia Dortmund 1-2 Monaco
We are closing in on the final 10 minutes of the game in Dortmund between Borussia and Monaco. The French side lead 2-1, the home team are giving it a right old go and you can follow it all here.
Atletico Madrid v Leicester (19:45 BST)
While many Leicester fans have been enjoying the Spanish sun and behaving themselves, others have sadly taken a different approach to their time in Madrid.
Some City fans have been involved in further clashes with Spanish police ahead of tonight's tie.
Objects have been thrown at police and fans injured, along with unconfirmed reports of flares being set off.
BBC journalist Phil Mackie confirmed police used baton charges to clear parts of a city square.
Earlier, Spanish police said eight Leicester fans were arrested for "causing a mess" on Tuesday night.
Atletico Madrid v Leicester (19:45 BST)
Some Leicester fans have been making the most of the Spanish sunshine....
Bayern Munich v Real Madrid (19:45 BST)
Tonight also sees Bayern Munich host Real Madrid in a true European megapowers explode encounter. Macho Man Randy Bayern have suffered a blow before kick-off, though. Striker Robert Lewandowski misses the game through injury.
That'll be a big boost to Real, who know only too well what the Pole can do. He bagged four goals against the Spanish side as Borussia Dortmund knocked them out in the semis in 2013.
Thomas Muller is a useful fella to have in attack, though.
Bayern Munich XI: Neuer, Lahm, Javi Martinez, Boateng, Alaba, Alonso, Vidal, Robben, Thiago, Ribery, Muller.
Real Madrid XI: Navas, Carvajal, Nacho, Sergio Ramos, Marcelo, Modric, Casemiro, Kroos, Bale, Benzema, Ronaldo.
Atletico Madrid v Leicester (19:45 BST)
Leicester's defence will have to cope with Antoine Griezmann and Fernando Torres, with the duo paired together up front for Atletico, who field the same side that drew 1-1 at Real Madrid, Koke, Carrasco, Godin and all.
Atletico XI: Oblak; Juanfran, Godin, Savic, Filipe Luis, Koke, Gabi, Saul, Carrasco, Griezmann, Torres.
Leicester recall the big guns after resting many for the 4-2 defeat at Everton. Danny Simpson and Christian Fuchs return to defence, where Yohan Benalouane continues to fill in for the injured Wes Morgan.
Wilfred Ndidi and Riyad Mahrez start in midfield, with Shinji Okazaki partnering Jamie Vardy in attack.
Leicester XI: Schmeichel, Simpson, Benalouane, Huth, Fuchs, Mahrez, Ndidi, Drinkwater, Albrighton, Okazaki, Vardy.
Atletico Madrid v Leicester (19:45 BST)
No offence to Hull, West Ham, Stoke, Sunderland, Everton, even Liverpool and Sevilla, but tonight offers Craig Shakespeare his biggest test yet as Foxes boss.
Atletico Madrid: 2013-14 La Liga champions and the side currently occupying third in the Spanish top-flight, two-time recent Champions League runners-up and one of the most ruthlessly efficient sides in the world. Simeone, Griezmann, Koke, Torres, you get my point.
Atletico Madrid v Leicester (19:45 BST)
11 months ago they shocked everyone by winning the Premier League.
7 weeks ago they angered most by sacking manager Claudio Ranieri.
29 days ago they defied the predictions of many by beating Sevilla in the last 16 in one of six wins on the bounce under new boss Craig Shakespeare.
Today Leicester go in hunt of a place in the last four of Europe's biggest club competition.
Who fancies betting against them?