Pedro María Martínez Ocio, 27, Francisco Aznar Clemente, 17, Romualdo Barroso Chaparro, 19, and José Castillo, 32, were killed.
The events also showed once again that the Catholic Church no longer supported the dictatorship and in some aspects was much closer to workers' demands.
After the investiture of José Luis Rodríguez Zapatero to the presidency of the Spanish government, the group of the Basque Nationalist Party in the Senate issued a question enquiring about the events and calling for an investigation.
However, by February 2008, no political responsibilities had been determined, with the Spanish Conservative Party (PP) opposing a public appearance of Manuel Fraga and Rodolfo Martin Villa, Ministers at the time of the event, to face questioning on the matter.
[10] In February 2016 the mayor of Vitoria-Gasteiz tried to honour the Catalan singer-songwriter declaring him adopted son of the Basque capital but the local council members of the Spanish Socialist Workers' Party and the Conservatives made it impossible.