Pope Francis Heads to Philadelphia: Live Updates

Pontiff begins final leg of his U.S. visit.

Francis begins his trip to the City of Brotherly Love by celebrating Mass at Cathedral Basilica of Saints Peter and Paul this morning. He later goes to Independence Mall, where he'll be addressing immigrants.

The pontiff ends his Saturday at the World Meeting of Families Festival.

For updates throughout the day, follow our live blog below.

If you're following on a mobile device, click here.