Darren Hoolahan, a man from Dublin, has been missing since June 10. Five individuals were arrested in Spain as part of the investigation. Authorities seized an AK-47 and a machete during the operation. Darren is the brother of footballer Wes Hoolahan. The police are conducting a search for Darren. The case has raised concerns due to the nature of the weapons found. The investigation is ongoing. Darren's last known location was in Spain. The authorities have not confirmed any direct link between the arrested individuals and Darren. The search continues in the area where Darren was last seen. The case highlights the challenges of international missing persons investigations. The police are working with local authorities in Spain. No official statement has been released regarding Darren's condition. The case remains under active investigation.