Plane crashed near Les Ponts-de-Martel, in the Neuchâtel Mountains, police said. The type of aircraft that crashed and the number of occupants were not initially specified.
The accident occurred in a steep forest area, difficult to access, around 10:20 local time (08:20 GMT) An investigation is being conducted to clarify the circumstances of the tragedy, according to the regional radio of Neuchsâtel RTN. The area was temporarily closed to the public.