A diver has died in Biarritz, France, following a cliff collapse. The incident occurred while the diver was underwater; details surrounding the activity at the time of the collapse remain unclear. Emergency services responded to the scene, but were unable to save the individual. Authorities have initiated an investigation to determine the cause of the collapse and assess the stability of the surrounding cliffs. The area has been secured as a safety precaution, and further updates will be provided as the investigation progresses. This incident raises concerns about coastal erosion and the safety of divers and beachgoers in the region.