A bushfire on Sydney’s Northern Beaches is expected to burn for days before it's put out, with questions raised about how it started.

The Rural Fire Service has lowered the alert level for the blaze which began as a hazard reduction burn in Oxford Falls.

The Rural Fire Service has lowered the alert level for the blaze which began as a hazard reduction burn in Oxford Falls.

More hazard reduction burns for Sydney despite out-of-control fire on Northern Beaches continuing.

As summer approaches, the threat of bushfires looms. Earlier this month, an out-of-control blaze in Sydney’s northern beaches burnt more than 100...

Firefighters are working to control a blaze in Sydney’s Northern Beaches after a controlled burn escalated.

Sydney’s northern beaches are having another smoky day as firefighters battle to keep a wild hazard reduction burn under control.

Sydney’s northern beaches are having another smoky day as firefighters battle to keep a wild hazard reduction burn under control.

Sydney’s northern beaches can expect another smoky day as firefighters battle to keep a wild hazard reduction burn under control.

NSW Rural Fire Service said 80-hectare fire was now under a ‘watch and act’ warning