A 22-year-old says he was acting in self-defence when he attacked a 19-year-old with a katana sword, leaving him with permanent nerve damage to his face and hearing loss.
Sophia Crestani's father has told the inquest into her death that he hopes the young people caught up in the chaos at the party can be released from feeling guilty.
The tenants of a Dunedin flat were warned about the risks of overcrowding before Sophia Crestani died in a stairwell pile-up during a party at the house.