Firefighters in Christchurch are battling a fire at red-zoned house in the suburb of Avonside.
The Fire Service says the fire was well involved when crews arrived at the property on Avonside Drive at 8.20pm.
It says three appliances are at the scene on Thursday night.
It is not yet known whether the fire is suspicious.
The incident is the latest in a string of suspicious blazes at red-zoned properties recently.