TWO planes have collided at Casula in Sydney's southwest.
The Ambulance Service of NSW says two people are trapped and two people are unconscious.
The Daily Telegraph reports two people are dead and that one plane managed to land.
The NSW Fire Brigades said one of the planes crashed into a house, while the second plane landed safely.
"Two planes have collided. One has landed safely and the other is believed to have crashed into a house in Liverpool," Brigades Superintendent Craig Brierley said.
"The plane (that hit the house) is on fire."
Firefighters are on the scene, and further engines are rushing to the scene.
Two planes collide in Sydney | National Breaking News | News.com.au