Palmerston North Hospital's new mental health ward, Ngā Wai Ngāro.Warwick Smith / Manawatū Standard Content warning: This story mentions suicide Fourteen staff members at Palmerston North Hospital's new mental health ward, Ngā Wai Ngāro, have been forced off work after being assaulted by patients. Now, the brother of a former patient of the service, who died by suicide while under its care, says inadequate staffing levels are putting people at risk.