Mount Etna erupts in fiery display, disrupting hundreds of flights ReutersHundreds of Flights Canceled in Sicily as Mount Etna Erupts The New York TimesMount Etna eruption and volcanic ash shut Sicily’s busiest airport Al JazeeraEtna’s eruptions have a surprising environmental impact Euronews.comPersistent Etna ash shuts Sicily’s busiest airport during peak holiday week AP News