Robyn Edie/Stuff Police search for items of interest outside the Gladstone Night ‘n Day store in Invercargill, following an aggravated robbery in which a person was stabbed. “It all went very wrong, very fast, when a member of the public entered the shop and tried to play hero.” Those are the words of a man who took part in the armed robbery of an Invercargill Night ‘n Day, where an intervening man was stabbed. The 38-year-old Invercargill man, who has name suppression, was sentenced to three years and eight months in jail for aggravated robbery, wounding with intent to cause grievous bodily harm and two theft charges, after the July 30, 2020 incident.