Pope's inauguration Mass celebrated
19 March 2013 Last updated at 14:17 GMT
The inauguration Mass for Pope Francis has been held in St Peter's Square in Vatican City, marking the official start of his papacy.
Pope Francis earlier toured the square in an open-topped vehicle, descending to bless pilgrims behind the barriers.
His homily called on global leaders and all people of the world to protect the weak and the poor.
The BBC's Alan Little reports.