AN ELABORATE hydroponic set-up has gone up in smoke in Sydney's north-western suburbs.
Firefighters were called to street in Carlingford where they found a home well alight early Tuesday.
Inside the burnt-out home, police allegedly discovered a large number of incinerated cannabis plants.
A further search revealed a hydroponic set-up and more plants underneath the home.
Witnesses have told police they saw a woman leave the home in a dark grey BMW sedan and a man leave in a grey Toyota Hilux.
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