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.

Pope Francis, during his visit to Belgium, demanded accountability for sexually abusive clergy and urged bishops to stop covering up such crimes. His visit, aimed at celebrating the 600th anniversary of Leuven Catholic University,

Belgium’s prime minister blasted Pope Francis for the Catholic Church’s horrific legacy of clerical sex abuse and cover-ups, demanding “concrete steps” to come clean with the past and put victims’ interests ahead those of the institution in a blistering welcome at the start of Francis’ visit on Friday.