Cyanide vials inside an ammunition box have been discovered on a residential property in the Waikato after a dog dug it up.
The box was found yesterday at a property on Maungakawa Rd, which is at Ngarua, near Morrinsville, and police were notified today they said.
"The person was alerted because their dog dug it up," said a police spokesperson.
Police, Fire and Emergency and WorkSafe are now discussing how to best proceed.