Young activists organized a protest in the center of Barcelona after it was promoted on social media. Groups of hooded participants confronted the regional police force, the Mossos, leading to clashes. The confrontations resulted in damage to street furniture and the burning of containers. Several shops closed their doors as a precaution against the unrest. Authorities responded by deploying officers to contain the disturbance. The incident underscored the volatile nature of youth‑led demonstrations sparked online.