A 42-year-old man has been charged over allegedly stabbing four people on May 10.
The four people were attacked in a Countdown earlier this month.
"I say we take off and nuke the entire site from orbit."
Four people remain in hospital as the alleged attacker is granted name suppression.
Watch the press conference.
One of the four victims was a staff member at the Department of Corrections.
He will appear in Dunedin District Court on Tuesday.
Three people were critically injured and one seriously injured during the attack.
Four people were injured in a stabbing at a Dunedin Countdown on Monday.