Nepalese authorities are investigating allegations of a fraudulent rescue scheme on Mount Everest that may have defrauded international insurance companies of approximately $20 million, according to reports from The Kathmandu Post.

The investigation centers on claims that mountain guides allegedly poisoned tourists' food to create fake medical emergencies. These staged incidents would then trigger costly helicopter rescue operations and medical treatments that were billed to the climbers' international insurance providers.

The scheme reportedly involved guides deliberately contaminating hikers' food or beverages to induce illness, creating the appearance of altitude sickness or other medical emergencies requiring immediate evacuation from the mountain. Once the fake emergencies were established, expensive helicopter rescues would be arranged and subsequently billed to insurance companies.

Mount Everest attracts thousands of climbers annually, many of whom carry comprehensive travel and mountaineering insurance policies that cover emergency medical evacuations. Helicopter rescues from high-altitude locations on Everest can cost tens of thousands of dollars per operation.

The investigation represents a significant development for Nepal's mountaineering industry, which serves as a crucial source of revenue for the country. The allegations could potentially impact international climbers' confidence in local guide services and rescue operations on the world's tallest peak.