Official : Strong winds main fire across current fire grounds . Investigation confirms one of the fires was as the result of live ordnance exercises . Fire chief praised firefighters ' ' , ` ` extraordinary '' effort in fighting blazes . More than 60 wildfires reported in New South Wales ; 24 are not contained .
Official : Strong winds main concern across current fire grounds . Investigation confirms one of the fires sparked as the result of live ordnance exercises . Fire chief praises firefighters ' skill , `` extraordinary '' effort in battling blazes . More than 60 wildfires reported in New South Wales ; 24 are not contained .