Video shows the demonstrators berating parishioners outside The Basilica of St. Patrick's Old Cathedral in lower Manhattan on Saturday.
The activists confronted the Catholics at the church gates, banging on the bars and screaming: "Tell those Nazis to come out' from the church gates."
They further yelled at parishioners attempting to enter the church.
NYPD announced it could not immediately confirm the number of individuals arrested, yet Fox News reported at least five were taken into custody. It is unclear what they were charged with.
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St. Patrick's has been home to several protests in recent months as frustrated Americans react to the Supreme Court's ruling to overturn Roe v. Wade, which had federally protected abortion rights in the US.
Video provided to DailyMail.com by the New York Young Republican Club Catholic Caucus shows the pro-choice demonstrators cursing out the the church goers.
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"Tell that Nazi to come out," one protester yelled while pounding on the church gates.
"Come the f**k outside," echoed another as the first protester screamed again: "You killing Nazis? You killing Nazis?"
A member of the church congregation instructs his group to "go inside" as he the footage shows him waving his fellow Catholics away from the gates.
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Outside the church gates, the demonstrators chanted at lines of parishioners as they attempted to go into the building.
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Catholics typically gather at the Cathedral on the first Saturday of every month to oppose abortion. They march from the church to the nearby Planned Parenthood location where they hold their protest.
This Saturday, the group prayed the rosary outside the clinic while pro-choice protesters shouted at them.
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The NYYRC Catholic Caucus explained to DailMail.com it "denounced the violence" directed at St. Patrick's parishioners and applauded its members for attending their "rosary rally."
"Open witness to Christ in New York City is a dangerous act; history will look fondly on those who stood nonetheless. Growing forces in this city want to stop anyone from standing for Christ. If so, we will kneel for him," the group announced in a statement.
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"The NYYRC Catholic Caucus denounces the violence once again directed at parishioners of Old St. Patrick's this morning, another effort to terrorize Catholics, and we applaud any members of our group who attended their rosary rally."
St. Patrick's made headlines back in May when pro-choice protests rallied outside the building as part of a nationwide protest targeting Catholic churches.
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NYC-based performance artist Crackhead Barney, sporting a one-piece bathing suit, yelled "I'm killing the babies" as she led a march to the church.
"God killed his son, why can't I?" the demonstrator repeatedly yelled as she dangled a baby doll throughout a Saturday morning demonstration outside the cathedral.