A warning is in place for residents of the south western Sydney suburb of Airds where firefighters are fighting to contain a blaze that is threatening homes.
Inspector Ben Shepherd of the Rural Fire Service said firefighters were getting the upper hand on the fire but residents should remain vigilant.
The fire is burning at Georges River Parkway reserve behind Greengate and Woolwash roads.
"The fire activity has settled down somewhat ... but we still need people just to be vigilant," he said.
A number of fire trucks and aircraft are fighting the fire.
The fire is being treated as suspicious.
