World Swiss Bar Fire Likely Caused By Sparklers, Authorities Say January 2, 2026January 2, 2026Ségolène Le Stradic, Aurelien Breeden and Thomas FullerComments Off on Swiss Bar Fire Likely Caused By Sparklers, Authorities Say Fireworks attached to bottles of Champagne sent up showers of sparks that appear to have ignited insulation in a bar. The blaze killed 40 people.