Messi punishes a slip from Sergio Ramos, driving forward and firing a shot that Casillas saves crucially at close range.

Messi produces a superb assist, surging forward and sliding a precise pass to Alexis Sánchez, who finishes coolly past the defenders for Barça’s equaliser.

Messi is shown a yellow card for dissent after protesting a decision too strongly to the referee.

Messi looks to repeat the earlier combination, threading a through-ball towards Alexis Sánchez, but this time a Real Madrid defender steps in to intercept.

Messi commits a late, robust challenge that many feel merited a second yellow, but the referee keeps his cards in his pocket, sparking controversy.

In midfield, Diarra times a superb tackle on Messi, halting a potential Barça attack as Messi tries to drive forward.

Messi slips Alexis Sánchez through on goal with a clever pass; Sánchez’s shot is on target but Casillas saves well to deny Barça.

From a free-kick, Messi curls the ball beautifully over the wall, but it bends just wide of Casillas’s post.