A group of youths forced their way into a Scientology church in New York on Saturday in the latest in a string of nationwide “speed running” incidents that have gone viral on social media in recent weeks.

The group broke through a locked door to gain entry to the Church of Scientology on West 36th Street in Manhattan, throwing objects, damaging the property and injuring a staff member as worshippers and visitors attended a seminar, the church said in a statement to the Guardian.

The injured member of staff required medical attention, the church said, and another was subjected to a racial slur.

“This was not a peaceful visit or lawful protest.…