Álvaro Fernández Heredia

Álvaro Fernández Heredia is not mentioned in any of the provided news articles. The articles focus on a recent high-speed train crash in southern Spain, near Córdoba, specifically in Adamuz. The crash, involving two trains, has resulted in at least 39-42 fatalities and numerous injuries, making it Spain's worst rail disaster in over a decade. The articles detail the ongoing recovery efforts, the investigation into the cause of the collision, and the reactions from Spanish officials, including the transport minister, Óscar Puente, and King Felipe. A labor union had previously raised concerns about the railway lines. The crash occurred on a new stretch of high-speed rail track. Because Álvaro Fernández Heredia is not mentioned, his background, relevance, or significance to these events cannot be determined from the provided information.