Mad man enters church during mass, knocks priest — WATCH

A hilarious video that has gone viral shows moment a mad man stormed a Catholic Church during mass on Sunday.

The mad man climbed the altar, interrupted the ongoing mass and rendered the officiating priest speechless.

He knock the Reverend father on his head and took the bible before walking out and screaming unintelligible words.

The priest and assistant priest both stood still and looked at the mentally challenged man in shock and confusion.