The Pakistan cricket squad was allowed to leave their managed isolation facility in Christchurch after getting clearance from New Zealand's Health Ministry on Tuesday.
Ardern outlined that five guns were used by the perpetrator -- who held a gun license -- out of which two were semi-automatic weapons and two were shotguns.
The New Zealand government on Wednesday said that another member of the visiting Pakistan cricket team has tested positive for coronavirus, taking the total number of confirmed cases to eight.
South Africa play three ODIs against England, starting at the weekend, following on three Twenty20 Internationals.