Benzema: difficult to play against Barcelona .. and the red card made ​​it harder

Expressed Karim Benzema Real Madrid striker is unhappy after the loss to Barcelona four goals to three in La Liga Clasico clash. 

Said Benzema's BeIN Sports: "We started a good start and scored two goals, but playing against Barcelona is always difficult." 

"The red card received by Sergio Ramos made ​​it difficult things we very much." 

He explained: "We are still in the lead and we will continue to struggle until the end, La Liga."