New Zealand's treatment of prisoners during the Covid-19 outbreak meets the international definition of solitary confinement, according to a justice reform group.
Four families have now come forward telling RNZ that inmates across the country are being confined to their cells for 23 or more hours a day.
Corrections Minister Kelvin Davis says his department is doing its best to keep Covid-19 out of jails and prisoners should take the issues up with guards if they are being denied minimum entitlements.
Here is investigative journalist Guyon Espiner.