According to the media, the king arrived on Sunday for the opening of the Mobile World Congress 2018 exhibition, making his first visit since the region held an independence referendum. There were some clashes with police, however, the protest for the most part was peaceful, 19 people received light injuries and were taken to hospital, the newspaper said.
The footage in social media shows crowds of protesters gathered in the city streets and police trying to prevent them from moving further.
The protest was reportedly organized by the Committees for the Defense of the Republic, a network of local assemblies promoting the autonomous region's independence from Madrid, especially, the Catalan independence referendum.
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