It began when a woman and a man became involved in an argument and the woman's boyfriend tried to defend her. The boyfriend began arguing with a different woman and pushed her to the ground, according to the report.
That woman's brother began fighting with the boyfriend for pushing his sister and two other men also joined the fight, according to the report.
The boyfriend pulled out a knife and cut the second woman's brother across the length of his stomach, and both men who joined in the fracas - one in the right upper chest and the other on the right rear shoulder, side and buttocks.
The wounded were taken to University Hospital. According to Richmond County Sheriff's Capt. Scott Gay, two victims were in stable condition Sunday and one was in critical condition.