Worshippers at St Peter’s Basilica were left reeling on Friday morning after a man brazenly urinated on one of the Vatican’s holiest altars — during Mass and in full view of hundreds of stunned tourists.

The desecration unfolded inside the world’s most sacred church just after 9am, when the man climbed the marble steps of the Altar of Confession, the same altar where popes traditionally celebrate Holy Mass.

According to reports, the unidentified man dropped his trousers and began urinating over the site as horrified visitors watched in silence.

Security officers sprinted toward him as gasps echoed through the basilica.

He was dragged away, but not before he paused to pull up his jeans — flashing his bare backside to the congregation.

Videos filmed by tourists have since gone viral onl

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