FORT ST. JOHN -- A wildfire broke out Monday afternoon near Altona according to the BC Wildfire Service.

The fire is burning out of control 15 kilometers from Prespatou, just east of the Beatton River.

According the Wildfire Service the blaze has grown to 18.5 hectares in size.

So far there's no word on how the fire may have started. The Wildfire Service says the cause is under investigation.

Across British Columbia there are 91 wildfires with 14 of those listed as burning out of control.