Complex sentence: Initial reports said that a pedestrian underpass under the line was closed, although a footbridge over the line was available for use: this was denied by official sources including Adif, the company which operates the station, and the mayor of Castelldefels, Joan Sau.
Split into simpler sentences: Initial reports said that a pedestrian underpass under the line was closed, although a footbridge over the line was available for use. This was denied by official sources including Adif, the company which operates the station, and the mayor of Castelldefels, Joan Sau.