waited anxiously and not only by us, but also by many members of other parties, who saw their interest better represented on Avanti!'|Sandro Pertini}} The newspaper was published in clandestinity in Rome until the liberation of the Italian capital on 4–5 June 1944. The extraordinary edition of 7 June 1944 gave the news about the La Storta massacre of 4 June, heading: Bruno Buozzi Segretario della Confederazione Generale del Lavoro assassinato dai nazisti con 14 compagni ("Bruno Buozzi secretary of General Confederation of Labour murdered by Nazis along with 14 comrades").Avanti! resumed the public diffusion in Rome and the Italian territory gradually freed, while it remained illegal in the Social Republic. Pertini was a protagonist in the printing and spreading of the first issue in Florence, immediately after the liberation of the city: The Milan edition of the clandestine Avanti! was edited by Andrea Lorenzetti, until his arrest by Gestapo on 10 March 1944 along with almost all the socialist leadership group of Milan: in the period between September 1943 and May 1944, twenty-eight issues were published. Immediately after the arrest of the editorial staff, the direction of the clandestine newspaper was given to Guido Mazzali, and thanks to his diligence Avanti! reached a circulation of 15,000 copies. Sandro Pertini had remembered the diligence of Mazzali for the socialist newspaper: Giuseppe Manfrin wrote: {{Quote|[...] In the late afternoon of 25 April 1945, a gentleman, breathless and with a distinct aspect, went around the arose Milan, with a shabby bicicle and a bag full of papers which were nothing other than material to publish on the newspaper. This gentleman was Guido Mazzali who was crossing Milan to reach the Corriere della Sera. On the next day, the 26 April 1945, the first normal number of Avanti! finally came to the sunlight after twenty years. [...]|Giuseppe Manfrin|source=Mazzali Guido: la tensione etica'}} The Milan edition of Avanti! had been edited in the headquarter of Corriere della Sera until 13 May 1945, when the editorial staff moved to Via Senato 38, corner of Piazza Cavour, 2, in the former office of Il Popolo d'Italia. Return to the news-stands On 27 April 1945, while the Northern Italy was being freed from the German occupation, an article signed by Pietro Nenni was published by Avanti! with the title Vento del Nord ("Wind of North"). The leader of PSIUP, exalting the struggle of partisans who succeeded in