At least four people were killed and three others were seriously injured after being hit by a train near Barcelona. The victims were part of a group of revellers who were crossing the tracks after leaving a techno music festival. The incident occurred on the R3 line between the stations of Parets del Valles and Granollers. Train services along part of the line were suspended, and an investigation has been opened to determine the circumstances of the accident. The victims were described as three men and a woman in their 20s. Thousands had attended the sell-out Duro Techno Festival at the Montmeló racing circuit. Catalan president Pere Aragones expressed his shock and condolences.