At least seven people are facing rioting charges after a fight between bikers escalated at a Lindenhurst gas station Sunday.

Suffolk police say the confrontation began at the 1683 Sports Bar & Grille in West Islip around 3 p.m. Sunday, and then a half hour later, approximately 20 people engaged in a vicious fight at a gas station in Lindenhurst.

Five people were taken to hospitals, including four with stab wounds.

Suffolk police say seven people were arrested and could face further charges, pending investigation.