Police have decided not to lay any charges over the balcony collapse that left one student with serious spinal injuries at a Six60 concert in Dunedin in March 2016.
The concert was called at the last minute in a courtyard between private accomodation near to 660 Castle St, where the band once lived and took its name from.
Word spread on social media, which led to a crowd of 1500 people cramming into a small space, perching on roofs and standing on apartment balconies.
Police say as many as 18 people were on the balcony when it collapsed.
The balcony was only built to hold eight people at any one time.
"The construction of the balcony and the materials used has not contributed to the collapse," Area commander Jason Guthrie says.
The student who suffered spinal injuries, Bailley Unahi, was taken to a hospital in Christchurch after the incident.
A Givealittle page was set up for the then second-year student at Otago University which raised more than $57,000.