The columns of ash reached 15 km in height.

The resulting cloud of ash and smoke stopped flights at Catania airport.

https://t.co/AzZmy0HnfT https://video.twimg.com/ext_tw_video/1824202384509136896/pu/vid/avc1/360x640/PdV61AcbFCNJELWa.mp4?tag=12