BARCELONA: Barcelona coach Hansi Flick showed his anger at the harassment of La Liga referees on Friday, after weeks of complaints from title rivals Real Madrid about Spanish arbitration. Los Blancos sent a letter to the Spanish football federation complaining officiating in the country was “rigged” and referee Jose Munuera Montero faced abuse on social media this week after sending off Madrid’s Jude Bellingham. Champions Real Madrid have attacked Spanish referees consistently on their club television channel this season and coach Carlo Ancelotti said he prefers officiating in the Champions League. “The referees at the moment, what they are doing here in Spain with them is unbelievable,” Flick told a news conference, bringing up the matter of his own accord. “You have to think about the families of the referees, all of us make mistakes, and if it happened in a match I think it’s the responsibility of the coaches and the players to protect them. “I don’t like that, we’re always using our energy to discuss (them)...