They are dubbed the 'temple police' - orthodox Catholics who report what they see as liturgical abuses. Leesha McKenny reports. 
THREE or four times this year, groups of up to 50 Catholics have gathered to pray outside St Joseph's in Newtown during its gay-friendly Mass.
Sometimes they stop worshippers as they leave the service, demanding to know if they took Communion. If confronted by the parish priest, Father Peter Maher, they recite the rosary. On other occasions, one or two enter the church mid-service, and watch from the back.
A parishioner, Paul Harris, said the incidents affected how other parishioners looked at newcomers. ''Any strangers that come along you greet them and welcome them and hope they're there for the right reasons,'' he said.