Ms Phillips said the armed police tried to negotiate with the man to give himself up and a brief stand-off ensued. However, she said, police became concerned and moved in quickly, with the help of a police dog. "When he was arrested he still had the lighter and a knife on him," Ms Phillips said.
"We needed to act quickly to stop him committing any harm to himself or others, including the officers."
A 53-year-old man was charged with wounding with intent to cause grievous bodily harm and other charges may be laid. He will appear in Dargaville District Court on the charge at a later date.
Despite police initially thinking the man had doused himself in petrol it turned out to be diesel.
The man who was allegedly assaulted was treated in Whangarei Hospital for cuts before he discharged himself.
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