Snow-capped Mount Etna erupts as skiers glide down slopes
Scientists say volcanic activity at the site, which frequently erupts, had intensified this week, with craters continuously emitting ash.
Huge plumes of ash and smoke were filmed erupting from Mount Etna, Sicily on 27 December as skiers used the slopes below.
Scientists at the Istituto Nazionale di Geofisica e Vulcanologia said volcanic activity at the site, which frequently erupts, had intensified, with craters continuously emitting ash.
In response, scientists issued a red Volcano Observatory Notice for Aviation, its highest level, though authorities said flights would continue to operate normally at a nearby airport unless ashfall increased.
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The vehicle had earlier been involved in a crash and everyone in the surrounding area was safely evacuated before the blast.
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