A fire is burning out of control in Sydney's north, with residents and a nearby aged care warned to prepare to act.

An out-of-control fire is burning near Oxford Falls in Sydney's north. Firefighters are at the scene trying to control the blaze, which is burning east towards Cromer Heights.

Residents are being urgently evacuated from Sydney's Northern Beaches as firefighters battle an out-of-control hazard reduction burn.

A fire is burning out of control in Sydney's north, with residents at a nearby aged care warned to prepare to act.

An emergency warning has been issued for an out of control bushfire on Sydney’s northern beaches. The NSW Rural Fire Service issued the warning at 2.39pm on Saturday in relation to the blaze deemed “out of control” on Meatworks Avenue at Oxford Falls.