Patrick said in her updated statement police had completed a series of scene examinations at several locations in Waipukurau after the incident.
“Police are reviewing CCTV imagery and conducting interviews as part of the investigation.”
Inquiries on Tuesday were focused on the cause of fire and how the woman came to be injured.
A Hato Hone St John spokesman said one person was assessed at the scene and transported to Hawke’s Bay Hospital by ambulance in a moderate condition.
Waipukurau Chief Fire Officer Steve Walker said the fire was contained to one bedroom but declined to comment further, referring queries to the police.