55-year-old American tourist dies from unknown cause during Mount Etna excursion in Sicily, Italy.

55-year-old American tourist dies from unknown cause during Mount Etna excursion in Sicily, Italy. The alpine rescue service warned tourists about the potential dangers of high temperatures, humidity, and sudden altitude changes during such excursions. The cause of the tourist's illness remains unknown, but the man was revived unsuccessfully and pronounced dead at the scene.