Close for Real. Twice. Marc-Andre ter Stegen makes a couple of saves to deny Sergio Ramos and Marco Asensio. Then Marcelo is booked for complaining as he thought Ivan Rakitic handled. It was accidental though.

And then Sergio Ramos is offside as he tries to turn the ball home from close range.

Image source, Reuters

Max: That surely spells out the end of Zidane's reign!

Now it's almost three for Barcelona. Nelson Semedo runs onto a through ball and his shot is saved by the inside of Keylor Navas' leg.

This game is turning into glorious chaos.

Gareth Bale properly tests Marc-Andre ter Stegen this time and the Barca keeper grabs it at the second attempt with Marcelo ready to pounce.

This is the chance. This is the chance for Real Madrid. But Gareth Bale shoots straight at Marc-Andre ter Stegen from about 10 yards out.

It's much better from Real though, who suddenly feel like they might score. Five minutes ago, a thrashing was on the cards.

Nelson Semedo gets a header wrong and Marco Asensio gets onto it but his cross is cleared by Thomas Vermaelen.

Barcelona bring on a defender, Nelson Semedo. Andres Iniesta has only lasted one 90-minute game this season. And today isn't number two. He's the man to make way.

Lionel Messi takes the armband.

Tom Scott: surely about time for Ramos to be sent off? It's almost tradition.

Desperate times as Real fans appeal for a penalty as Marcelo crosses the ball into Sergi Roberto's arm. Nothing the defender could have done.

Real Madrid bring on two excellent attackers now, but it's far, far, far, far, far too late. Gareth Bale and Marco Asensio replace Casemiro and Mateo Kovacic. If anything this will just open the game up more for Barca.

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Daniel Okeke: Ernesto for the coach of the season! He took over a heartbroken barcelona and has transformed them into a hard to beat team

Kolade Ibrahim: Remember when Madrid bossed us at the Supercopa? If they are feeling dizzy, it's because the tables have turned

Lionel Messi is the top scorer in El Clasico history in all competitions (25 goals), in La Liga (17) and at the Bernabeu (15)

Keylor Navas has to dive to keep out Luis Suarez's effort now. This could end 4-0 if Barca want to.

So barring some kind of Christmas miracle, Real Madrid are going to be 14 points below Barcelona.

It's all Barca now and Paulinho's heavy touch denies him a chance to make it 3-0.

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AGADA B CHRISTIAN: Real Madrid learning few lessons before the new year. The script was so clear

Well now, Zinedine Zidane brings off a striker - Karim Benzema - for a defender, Nacho, with his side 2-0 down.

There was a whole range of action in the build-up to that penalty. Luis Suarez had a shot saved, then he hit the post. Then Paulinho's header was handled by Dani Carvajal.

Dani Carvajal handles on the goalline. And he's sent off.

Image source, Reuters

Chaos. But Barcelona have a penalty.