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.
A memorial outside the Constellation bar in Crans-Montana, Switzerland, on Friday, the day after 40 people died there in a fire.

© Sergey Ponomarev for The New York Times
