Homicide Squad detectives have arrested a woman this morning as part of their investigation into the deaths of three people following an incident in Leongatha earlier this year.
Four people were taken to hospital on 30 July after they became ill following a meal at a private residence in Leongatha the previous day.
Two Korumburra women, aged 66 and 70, passed away in hospital on 4 August.
A third person, a 70-year-old Korumburra man, passed away in hospital on 5 August.
A 69-year-old Korumburra man was released from hospital on 23 September.
A 49-year-old Leongatha woman was arrested at her home address shortly after 8am on 2 November.
A search warrant has been executed at the Gibson Street address, with assistance from the AFP's technology detector dogs.
The woman will now be interviewed by police and the investigation remains ongoing.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or to report confidentially log onto www.crimestoppersvic.com.au
