Cardinals entered St. Peter’s Basilica on Wednesday for a final Mass before the conclave to elect the successor to Pope Francis after his death last month.

With all the pomp, drama and solemnity that the Catholic Church can muster, 133 cardinals on Wednesday begin the secretive, centuries-old ritual to elect a successor to Pope Francis, opening the most geographically diverse conclave in the faith's 2,

The cardinals have gathered in Vatican City to choose the 267th pope. St Peter, regarded as the first pope, was elected around 30AD. In the morning, cardinals will take part in a mass in St Peter’s Basilica. Later, in the afternoon, the cardinals will walk in a procession along the Via delle Fondamenta to the Sistine Chapel.