Erica Hume died at Palmerston North Hospital's mental health ward in 2014

Warning: This story discusses suicide

Death of 21-year-old university student at Palmerston North Hospital mental health ward in 2014 ruled a suicide

Coroner Matthew Bates says Erica Hume's death could have been avoided if staff followed policies and procedures

Erica Hume's parents hope coroner's report will result in change