Police have seized items from the homes of elderly women in Wellington and Nelson which has sparked criticism of political interference from a voluntary euthanasia group.
A shop-bought helium balloon kit was taken from 76-year-old Nelson woman Patsy McGrath, who has long campaigned for euthanasia, on Friday, the Voluntary Euthanasia Society says.
The balloon kit was seized because police believed it was "evidence in respect of a suspected crime: aiding and abetting suicide".
Police also confirmed two charges of importing a Class C drug had been laid against a Lower Hutt woman but were saying no more about the investigation.
The raids smack of interference into the current parliamentary inquiry into assisted dying, society president Maryan Street says.