Firefighters helped by cooler weather as they battle huge blaze in California
![Firefighters helped by cooler weather as they battle huge blaze in California](https://www.expressandstar.com/resizer/jXQp3eqX1rFldMMOvpSELq_rVCM=/cloudfront-us-east-1.images.arcpublishing.com/mna/MNOEZ635GZDARACUM2H5NWBNXE.jpg)
The blaze was one of several tearing through the western United States and Canada, fuelled by wind and heat.
Thousands of firefighters battling a wildfire in northern California have received some help from the weather, hours after it exploded in size.