Solange Knowles was faced with a personal emergency last week and was forced to cancel a DJ set she had booked aligning with the Coachella festival. Knowles rushed back to New Orleans after learning her business partner and friend Armina Mussa had been stabbed. She arrived at the hospital in critical condition with multiple stab wounds to “various areas of her body,” according to NOPD records.

Mussa worked as the creative director of Knowles’ fashion line, Saint Heron, and co-owns the New Orleans boutique Exodus Goods with Knowles as well. According to reports, Mussa got into an altercation with a woman named Arronesia Christophe, who has been booked for attempted second-degree murder against Mussa.

The New Orleans Times-Picayune published an in-depth report on the matter, reporting, “According to records filed at Orleans Parish Criminal District Court, Christophe was arrested at the location of the stabbing about 7:03 p.m. Wednesday by New Orleans Police Officer Dominique Dejernette.

Records show Christophe told Dejernette that she had been attacked by Mussa and was acting in self-defense when she stabbed the woman. Christophe claimed that she had arrived at a high school friend’s home about 6:45 p.m. when Mussa, who Christophe said was her friend’s ex-girlfriend, came out of the house and began yelling at her to leave, the documents show. Records show Mussa lives at the Derbigny Street home.

Christophe reportedly said, “We’re just friends, why do I have to leave?” Records show Christophe said she then grabbed a small folding knife from the center console of her car and told Mussa to “get back” and to “please back away,” but claimed Mussa continued to yell at her.

Mussa then began punching Christophe, the arrested woman told police. Christophe said she was being pulled by her hair to the ground when she began swinging her knife at Mussa, who she claims continued to punch her.

“[Christophe] stated she did not think she had stabbed the victim due to the harder thrown punches that she received from the victim,” Dejernette wrote in her report.

Knowles reportedly attended Christophe’s hearing last Thursday. There have been no reports on Mussa’s condition.