The volcano is one of the most active in the world, but this was the most severe event since February 2021, sending tourists running. Here's the latest.

Mount Etna, whose stunning peak rises 11,014 feet tall and slopes toward the Ionian Sea, is a popular attraction for both hikers and tourists. Video footage obtained by CNN shows a tour group running downhill away from the explosion on June 2; Italian officials have confirmed that all hikers were evacuated safely.