Four guards injured in brawl on Rikers Island

 Four correctional officers and several inmates were injured after a late-night fight broke out at Rikers Island, New York City’s main jail complex, on Friday night.The City of New York Department of Corrections said on Saturday that “a fight involving a number of inmates in a high custody housing unit” occurred at the George R. Vierno Center on Rikers Island. “Department staff responded within minutes and the incident was resolved shortly thereafter,” a Department of Corrections spokesman said in a statement. Four correctional officers were treated and released following exposure to a chemical agent. Three inmates were treated at the emergency room for non-serious injuries and then returned to the jail. No serious injuries have been reported and the investigation is ongoing, according to the Department of Corrections.Rikers Island includes 10 separate jail facilities and houses an average of more than 12,000 prisoners a day.The Associated Press contributed to this report.