Tensions flared at Bilbao Airport on May 23, 2026, as clashes broke out between Spanish police and supporters welcoming members of the Global Sumud Flotilla returning from Turkey. Footage from the scene depicted officers arresting four activists, dragging them across the terminal floor, and using batons as bystanders shouted in protest.

The confrontations reportedly began when a family member of one of the activists tried to cross a police barrier to embrace them. This prompted officers to intervene, escalating into a violent exchange. By the end of the incident, four individuals were arrested on charges of serious disobedience, resisting arrest, and assaulting police.

The Basque Security Department announced an internal investigation to assess whether the officers’ actions were consistent with regulations. In a related statement, the EH Bildu, a left-wing party, condemned the violent police response, labeling it as unjust and unnecessary against individuals participating in a solidarity action.

The incident followed a significant detainment of Gaza flotilla activists by Israeli forces a week earlier, during attempts to break the blockade of Palestinian territories. Reports indicate that around 44 Spanish nationals were among those held. The tensions at the airport coincided with broader unrest across Spain, as protests were simultaneously taking place in Madrid demanding the resignation of Prime Minister Pedro Sánchez.

The backlash from the Bilbao clashes has escalated, with critics calling for accountability regarding police conduct and voicing strong opposition to the government's treatment of activists engaged in defending human rights and solidarity actions. The situation continues to develop as different factions respond to the violence and its implications for civil rights in Spain.