Pope Francis inauguration: Vatican City scenes of joy

Pope Francis has inaugurated his papacy at a Mass in Rome, calling on global leaders and all the people of the world to defend the poor and the weak.

Up to 200,000 people attended the Mass in St Peter's Square.

The BBC's Katya Adler spoke to some of those who were there and said there was a mood of jubilation with worshipers shouting "long live the Pope".