Murray Burton still remembers the horror of the first phone call from police on the evening of the tragedy. Photo / Dean PurcellMurray Burton still remembers the horror of the first phone call from police on the evening of the tragedy. Photo / Dean Purcell

University of Auckland research fellow Ying Wang believes New Zealand schools are ill-prepared to address trauma. Photo / Dean PurcellUniversity of Auckland research fellow Ying Wang believes New Zealand schools are ill-prepared to address trauma. Photo / Dean Purcell

Andre Petera (left) and Alicia Toki with son Jordan and their beloved Karnin, known as Tino, who died in the Abbey Caves tragedy. Photo / Jodi BryantAndre Petera (left) and Alicia Toki with son Jordan and their beloved Karnin, known as Tino, who died in the Abbey Caves tragedy. Photo / Jodi Bryant

Ying Wang has found using art and visual expression are effective ways to communicate or process trauma. Photo / Dean PurcellYing Wang has found using art and visual expression are effective ways to communicate or process trauma. Photo / Dean Purcell

‘No fixed timeline’ for healing

Photographs of the six Elim Christian College students killed on the Mangatepopo Stream displayed in the school chapel. Photo / Kenny RodgerPhotographs of the six Elim Christian College students killed on the Mangatepopo Stream displayed in the school chapel. Photo / Kenny Rodger