September Piccioni resigned as Minister of Foreign Affairs and from all his official offices. Two days later, his son Piero was arrested on charges of manslaughter and drug use and then imprisoned in the Regina Coeli prison. Piero obtained provisional freedom after three months in preventive detention and was finally cleared of all charges. In the years 1956-57, Piccioni was the head of the Italian delegation to the United Nations. He served again as Deputy Prime Minister in the third (1960-1962) and fourth Fanfani government (1962-1963), in which he also assumed the office of Minister of Foreign Affairs, to replace Antonio Segni, who became President of the Republic. He was again Deputy Prime Minister and Minister of Foreign Affairs in the first Leone government (1963) and Minister without portfolio in the I, II, and III Moro government (1963-1968). He died in Rome in 1976. References External links Farnesina website 1892 births 1976 deaths People from the Province of Rieti Deputy Prime Ministers of Italy Foreign ministers of Italy Christian Democracy (Italy) politicians 20th-century Italian politicians Members of the Constituent Assembly of Italy Members of the Senate of the Republic (Italy) Members of the Chamber of Deputies (Italy) Italian Ministers of Justice Sapienza University of Rome alumni