FIRE fighters say they'll 'never know' what caused the devastating fire that ravaged Crawley's state-of-the-art recycling centre back in June.
The £4million recycling plant went up in smoke on Monday June 9 after a massive inferno that burned through the night.
More than 50 fire fighters from across the county battled for 12 hours to douse flames at the County Oak amenity tip as sections
of the metal roof twisted and crashed to the ground.
Flames gutted the 18-month-old warehouse and sent plumes of acrid smoke billowing across Langley Green - forcing worried residents to shut their windows.
Fire investigation teams spent weeks combing the charred remains of the multimillion pound recycling depot but have no idea what caused of the blaze.
A spokeswoman for West Sussex Fire and Rescue Service said: "The investigation has concluded and there is nothing more to add about the incident unfortunately.
"It may be the case that we simply never find out what caused the fire in the first place. There are lots of things that could have ignited the rubbish stored in the depot.
"In this case the fire was so fierce and spread so quickly that any evidence that may have helped us identify the cause was destroyed."
It was suggested the fire was caused by a carelessly discarded cigarette or smouldering BBQ coals but the investigation teams have been unable to prove either theory.
A spokesman for West Sussex County Council said: "At the time of the fire there were several theories about how the fire started, I know there were suggestions that it could have been started by BBQ coals or a cigarette. But the fire investigation has been unable to prove this."
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