Mount Etna's eruption on Monday morning likely expelled tens of thousands of tons of sulfur dioxide gas, according to experts from Italy's volcano monitoring body. If high concentrations of sulfur ...

During Mount Etna’s recent eruption, however, the flow was contained within the region’s Lion Valley, per the AP. BREAKING: Insane videos emerge after Italy’s Mt. Etna erupts.

Etna’s latest eruption caused neither injuries nor evacuations, but sent a group of tourists on its flanks running, as captured by video posted on social media with smoke towering in the background.