Police in Mazarrón, Spain, arrested six people during a joint security operation involving the National Police, the Guardia Civil and the local police. Officers inspected six establishments, checked 85 people and opened administrative proceedings after the inspections. The operation focused on workplaces and nightlife venues to look for possible illegal activity and verify compliance with foreigner regulations. As a result of the checks, six people were detained for being in an irregular situation in Spain. Police also drew up 13 reports under Spain’s Citizen Security law for incidents involving possession of drugs and weapons. The Labour and Social Security Inspectorate carried out related inspections and issued several reports after finding irregularities at some of the businesses. The security forces said the action forms part of routine coordination between different police units and other government bodies to prevent crime and detect administrative violations in the municipality.