Emergency services have evacuated properties after a scheduled hazard reduction burn in Sydney’s northern beaches jumped containment lines.
Crews are working to control the blaze at North Head, which spotted past control lines around 2pm on Saturday.
A Watch and Act warning has been revoked with the fire burning towards the lookout in a south-westerly direction under north-easterly winds.
It is not currently threatening homes in the area.
Visitors to the national park, as well as commercial premises and residential properties nearby have been evacuated.
Anyone living in the area is advised to remain in their homes and shut windows until told to do otherwise.
Roads and tracks near the fire have been closed and police have requested people avoid the area.
Up to 60 firefighters are working to contain the blaze, with 26 trucks from NSW Fire and Rescue, the Rural Fire Service and National Parks.
Between 10-15mm of rain forecast on Saturday night is expected to help reduce the fire.