Barcelona 0-0 Real Madrid: Gareth Bale has strike ruled out in first goalless Clasico in 17 years as hosts stay top of La Liga on goal difference

Casemiro’s downward header was cleared off the line by the head of Gerard Pique in the 17th minute
Lionel Messi then saw his rebound cleared off the line by Sergio Ramos midway through the half
Gareth Bale thought he had broken the deadlock but his strike was disallowed for an offside in the build up
Both sides sit level on 36 points but Barcelona remain top of the league due to a superior goal difference