The article below was published in the daily newspaper ABC, of Sevilla, Spain, on April 21, 1978.
Last Sunday night, around 10:00 pm, a gigantic cigar-shaped UFO was seen from Santurce, Sestao, Baracaldo, Algorta, Lejona, Las Arenas and the Deusto district by hundreds of people. The UFO had a bright yellow color, with a red light at one of its ends. It remained stationary and at low altitude above the Bilbao airport. After 20 minutes, it disappeared.