Swiss authorities have revealed chilling new details following the deadly fire at a crowded bar in the luxury ski resort town of Crans-Montana. Speaking at a press conference, Wallis chief prosecutor Beatrice Pilloud said the leading theory is that a widespread fire triggered an explosion, turning a New Year celebration into a mass-casualty tragedy. br br Police confirmed that around 40 people were killed and nearly 100 others injured in the incident. The bar was packed at the time of the blaze, worsening the impact as flames spread rapidly through the venue.