Barcelona president Josep Maria Bartomeu has again spoken of being jeered by Nou Camp fans on Saturday.
Bartomeu was booed by supporters when he appeared in a tribute video to Lionel Messi.
"The intention was that the video would show Messi he has the unwavering support of all levels of the club," he said.
"Regarding the whistles, people have the right to express whatever they want to."
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