13 students were killed: seven from Italy, two Germans, an Austrian, a French woman, a Romanian and an Uzbekistani. Twenty-three others were transported to hospitals, some of them in serious condition. The two people in the car were also injured. The students were studying in Barcelona as part of the Erasmus exchange program. The driver, which had passed alcohol and drug tests, investigated for possible negligent homicide, will appear before a judge. The bus was owned by the company Autocares Alejandro Tours, based in Mollet del Valles, province of Barcelona. The crash is one of the most serious accidents in Spain involving a coach since July 6, 2000. Carles Puigdemont, the president of the regional government of Catalonia, has called off his trip to Paris, went to Tortosa and decreed two days of official mourning.