Mount Etna, Europe's tallest and most active volcano, has erupted again, spewing a plume of ash and rock "several kilometers high," according to authorities. Video posted to social media showed tourists fleeing the scene. About a dozen tour operators work on Etna at any given time, the Sicilian Civil Protection Agency told CNN. All tourists and trekkers on the volcano when it erupted have been evacuated safely, according to the National Institute of Geophysics and Volcanology in Italy. Read more

Drone footage captured an incredible view of lava flowing from a new fissure that has opened up on Mount Etna. 🌋 Europe’s most active volcano erupted over the holidays from two craters. | ABC7