Two more men have been arrested in connection with the killing of 22-year-old Victorian woman Sarah Cafferkey.
Detectives arrested a 32-year-old man and a 34-year-old about midday (AEDT) on Thursday.
The two men were arrested at a residential property in Tarneit.
Their arrests come two days after Steven James Hunter was charged with Ms Cafferkey's murder.
A court heard Hunter, 47, of Bacchus Marsh, had made admissions to police over Ms Cafferkey's murder.
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Ms Cafferkey was stabbed multiple times at a flat in Bacchus Marsh on November 10 before her body was moved to Point Cook in Melbourne's outer southwest, the out-of-sessions court hearing was told on Tuesday.
Police say her body was found in a wheelie bin at a house rented by two men in Point Cook on November 18.
She had been reported missing on November 9 after vanishing from her hometown of Bacchus Marsh, about 50km north of Point Cook.
Her car was later found abandoned in a suburban Maribyrnong street.
Hunter is being held in custody and will appear in court again in March.
While the two men are questioned at police headquarters, residents of Point Cook will hold a candlelight vigil for Ms Cafferkey on Thursday night.
