Vatican splits with traditionalists as Pope Leo moves against breakaway sect

The Vatican excommunicated six bishops from the ultraconservative Society of St. Pius X on Thursday, a day after the traditionalist group defied Pope Leo XIV by consecrating four new bishops without the Vatican's approval. According to France 24 and the New York Times, the decree marks the first major crisis of Pope Leo's papacy and represents an open schism within the global Catholic Church. The society, which denies key tenets of Catholic doctrine, claims around 600,000 followers worldwide, the BBC reported.

The Vatican's move goes beyond the six bishops: lay believers who formally adhere to the breakaway group will face automatic excommunication, France 24 reported. The sect has long resisted the reforms of the Second Vatican Council, maintaining a traditionalist liturgy and theology at odds with the modern Church's direction. The society's defiance of the Pope's direct plea for unity forced his hand, according to reporting from Rome by France 24's Seema Gupta.

The excommunication carries symbolic weight across Italy's Catholic landscape. The traditionalist movement has deep roots in southern parishes, where older congregations have resisted post-Vatican II changes and maintained Latin Mass communities. The split reflects a broader tension within global Catholicism between reformist and traditionalist visions—one that has played out in local dioceses across Puglia and the Mezzogiorno, where conservative liturgical practice runs strong.

The society's consecration of bishops without papal consent violated canon law and represented an act of institutional defiance unseen in decades. The New York Times noted that the group's actions followed a pattern of escalating tension between Rome and the traditionalist movement. France 24 reported that the Vatican's warning to lay adherents signals an intent to enforce the schism at every level of Church membership.

Pope Leo's decision reflects a hardening line against splinter groups that challenge papal authority. The Washington Post noted that the move comes as the pontiff navigates other crises—including his planned visit to Lampedusa on July Fourth to address migration, a cause that puts him at odds with conservative Catholic movements aligned with restrictionist politics. The traditionalist schism thus unfolds against a backdrop of the Church's broader struggle to define its role in a polarized world.

For southern Italian dioceses, the excommunication may clarify ecclesiastical boundaries that have long been blurred. Many parishes in Puglia and Sicily have hosted traditionalist communities that operate in a grey zone—maintaining Latin Mass alongside canonical obedience. The Vatican's unambiguous action forces local bishops to enforce the boundary between approved traditionalism and formal schism, a task that will test pastoral relationships across the South's aging, conservative congregations.