The four injured were taken to hospital for treatment, including two youths who were treated for non-life threatening stab wounds, according to SA Police.
A 47-year-old man from Davoren Park has since been discharged from hospital. He was arrested for 2 counts of aggravated assault causing serious harm and is expected to be charged later this evening.
Following the initial incident, two 18-year-old men and a 45-year-old woman all from Davoren Park were arrested for street offences. They will all appear in the Elizabeth Magistrates Court on 5 July.
A 15-year-old boy from Davoren Park was also arrested and charged with street offences and will appear in the Elizabeth Youth Court on 8 July.
Detectives from Elizabeth CIB are investigating the circumstances surrounding the altercation and are appealing for anyone who may have any information that can assist the investigation to contact Crime Stoppers on 1800 333 000 or online at http://crimestopperssa.com.au.
Police wish to reassure the public that all parties involved are known to each other and that this is not a random incident.
TBA, 16/W38158, 16/W38169, 16/W38215 & 16/W38184
