KEY POINTS:
Police in Palmerston North have arrested a 19-year-old woman over the aggravated robbery of a dairy near the city's hospital on April 29.
Detective Sergeant Ashley Gurney said the woman had been jointly charged - along with a 15-year-old boy - with the aggravated robbery of the Heretaunga Hospital Store. The boy was arrested on May 7.
Witnesses said three people were involved in the robbery and police were still seeking a third person, along with a laptop and cellphone which were allegedly taken.
Police said the shop owner was threatened with a knife and hammer before the offenders escaped with items including cash.
The woman is due to appear in Palmerston North District Court on May 29.
- NZPA