The members of Txomin Olhagarai and Ramuntxo Arruiz Iparretarras died exploding the explosives being prepared. It occurred during a bomb placement in the Suprefecto woman's car, in the parking lot of the Baiona hospital. The purpose of the action was, as IK later said, to have the car enter the garage under the Prefect's office, without causing damage to the residence.