Pope Francis on Sunday wrapped up a weekend trip to Belgium, where he faced some of the strongest criticism yet levied during one of his foreign trips. The 87-year-old pontiff was pressed by high-profile figures at three of the five major events on his three-day visit in unusual and sometimes fierce language for a papal trip.

Pope Francis concluded his multi-day visit to Belgium on Sunday by celebrating Mass at Brussels' King Baudouin Stadium and with a call to help victims of clerical sexual abuse. "The cries of the afflicted cannot be ignored,

On Saturday, Pope Francis acknowledged that the abuse scandal had created "atrocious suffering and wounds," and undermined the faith.