- Swiss bar tragedy: New photos show moment blaze erupted; sparklers put on champagne bottles Times of India
- There Was Probably a Flashover in the Swiss Bar Fire. Here’s What That Means. The New York Times
- The Swiss ski resort blaze quickly developed into a ‘flashover,’ authorities say. Here’s what that means CNN
- Switzerland resort fire ‘likely started by sparklers in champagne bottles’, says attorney general – as it happened The Guardian
- Swiss resort fire: Sparklers likely cause, authorities say DW