Paul Weaver/SOPA Images/LightRocket via Getty A group of protesters numbering in the dozens staged a demonstration outside of a Cracker Barrel in Waldorf, Md., after the restaurant was accused of refusing service to special needs students in early December.

A crowd gathered Sunday afternoon outside the Waldorf, Maryland, Cracker Barrel where a group of children with disabilities were denied dine-in service.

Parents in Charles County say more protests will take place against Cracker Barrel if the restaurant chain does not give them a “formal apology.” Roughly three dozen people demonstrated in front of the restaurant in Waldorf Sunday,