A massive blaze has gutted two homes in Sydney's south-west and is threatening to destroy a third.
Emergency crews are on the scene at Napier Avenue in Lurnea after one home went up in flames earlier this afternoon.
The fire quickly spread to two other adjacent homes, with reports that there have been explosions at the scene.
Firies are battling to contain the fire and stop it from spreading further.
It's understood that no-one was home when the houses caught fire.
More to come.