The main witness, Manuel Munoz Carvajal, a chauffeur who had become sick because of the altitude was returning from a drive when a ball of fire flew by the car. Moments later a light that appeared to be from a truck approached, it shone a brilliant beam on the witness and his companions hurting their eyes. Soon they passed under a disc shaped object with resembled a walnut, with lights and antennas. A loud noise could be heard. The object followed the vehicle for some time. Later under hypnosis Mr. Carvajal was able to recall more details of the event. He remembered getting out of the van and approaching the object, then found himself unable to move and apparently fell asleep. In a dream like state he saw two men come out of the object, then woke up again inside the car, while the beings walked around outside. The humanoids were described as having large heads, large protuberant eyes, round faces, and pointed dog-like ears. They were short and their skin was green. They had broad chests and narrow waists with thin, knee-less legs. Their clothing was skin-tight and one of the beings seemed to be the leader. The witness felt telepathic communication from the humanoids. The next day he reportedly saw two of the beings at the same location on the road.

Google map of this location.