Several people have died and others have sustained injuries following a Dutch tour bus accident in eastern Switzerland, according to police reports.

The incident occurred in a region of the Swiss Alps, a popular destination for tourists, particularly during certain seasons. The circumstances leading to the crash are still under investigation by local authorities.

Emergency services were immediately dispatched to the scene following the report of the crash. The exact number of fatalities and injured individuals has not been officially released, but initial reports indicate a significant number of casualties. The bus was reportedly carrying Dutch passengers.

Authorities are working to identify the victims and notify their families. The focus is currently on rescue and recovery operations, as well as providing medical assistance to those injured. The road where the accident happened has been closed to facilitate the emergency response and investigation.

This tragic event raises concerns about road safety in mountainous regions, especially for large passenger vehicles. Switzerland's winding and often steep roads can present unique challenges for drivers, particularly those unfamiliar with the terrain.

Further details regarding the cause of the crash are expected to be released as the investigation progresses. Police are appealing for any witnesses to come forward with information.

The Dutch Ministry of Foreign Affairs has stated it is aware of the incident and is in contact with Swiss authorities to ascertain the nationalities of those involved and to provide consular assistance where needed.

Investigations will likely examine factors such as driver fatigue, speed, road conditions, and potential mechanical failures to determine the precise cause of the devastating accident.