More than 1 million people flood Madrid streets to see Pope Leo preside over open-air Mass

Pope Leo honoured Spain’s centuries-old tradition of religious devotion on Sunday as a “school of faith” for today, as he presided over a Mass before more than a million people that highlighted one of the most iconic expressions of Spanish popular piety: a procession over flower-petal carpets.

The crowd cheered and shouted “This is the youth of the pope! ” as Leo arrived for the Mass at a central Madrid plaza.

He looped around the plaza and surrounding streets in his Popemobile before a crowd...