Three men and a woman are due to reappear in court following six aggravated robberies and two burglaries in Christchurch over the past month.
The 18-year-old, 35-year-old and 38-year-old men have been charged with aggravated robbery and burglary.
A 36-year-old woman has also been charged with receiving stolen property.
The accused are due to appear in the Christchurch District Court today.
Detective Inspector Craig Scott says the arrests follow a search warrant at an Edgeware address on Friday night, the Armed Offenders Squad assisted.