Six men have been arrested on suspicion of murder following a fatal stabbing and subsequent knife fight in Clapham, London, early Saturday. Police were called to the scene at 4:37 a.m. after reports of a 22-year-old man who had suffered a stab wound and later died.

Four other men, three aged 22 and one 24, were hospitalized with stab wounds. Their injuries are not considered life-threatening or life-changing. These four men are among the six arrested. Two additional men, aged 27 and 23, were arrested at the hospital.

Investigators believe the stabbing occurred around Tremadoc Road and Clapham High Street. Detective Chief Inspector Sarah Lee, leading the investigation, stated that inquiries are progressing quickly and that the victim was stabbed around 4:20 a.m.

The victim has not yet been publicly identified, but the Metropolitan Police confirmed that his next of kin have been notified and are being supported.

Superintendent Mark Gallacher described the incident as tragic and assured the community that specialist detectives are working to establish the full circumstances. An increased police presence will remain in the area as the investigation continues.

Police are appealing for anyone with information or who may have witnessed any events in the early hours of Saturday morning to come forward. Information can be provided by calling 101 or anonymously through the independent charity Crimestoppers on 0800 555 111.