Armed Crime Squad detectives have charged another four people after a man was shot in Frankston North on Monday night.
It's alleged the 36-year-old was shot during an altercation with a group of people at an Armata Crescent address about 7.20pm on 4 November.
The Dandenong man was taken to hospital where he remains with life-threatening injuries.
Special Operations Group officers arrested four people at a Carrum Downs address yesterday afternoon.
Two men, aged 24 and 29, were charged with intentionally cause serious injury and aggravated home invasion.
Two women, aged 18 and 26, were charged with affray, common law assault and criminal damage.
All four will remanded in custody by police to appear at Melbourne Magistrates' Court today.
As part of the investigation, detectives executed a search warrant at a Frankston address where a firearm was allegedly located on Tuesday, 5 November.
Detectives have now charged six people following the incident.
A 21-year-old Burwood East man was charged on Tuesday with intentionally causing serious injury and aggravated home invasion.
He was remanded in custody to appear in Melbourne Magistrates' Court on 5 March.
A 23-year-old Mornington woman was charged with aggravated home invasion, affray and three counts of common law assault yesterday.
She was remanded in custody to appear before Melbourne Magistrates' Court on 5 March.
The investigation into the circumstances surrounding the incident remains ongoing.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au
