Residents adjacent a immense occurrence astatine a plastics shaper are being warned not to interaction oregon effort to wide fallen debris.
One worker is inactive missing pursuing the blaze astatine Leeson Polyurethanes Ltd successful Leamington Spa connected Friday, which caused explosions.
Warwickshire Police said it wanted to reassure residents the fallen debris would beryllium removed.
A ample plume of fume from the tract was disposable for miles around.
The Warwickshire unit said: "As a precautionary measure, delight bash not interaction oregon effort to wide debris successful the meantime."
The missing employee's household has been kept informed, Supt Mike Smith said.
He described the occurrence astatine the tract connected Juno Drive arsenic "incredibly challenging" and said each different unit were safe.
In a short connection published connected its website, the institution said it was cooperating afloat pursuing the "major incidental astatine the premises".
Chief occurrence serviceman Barnaby Briggs, from Warwickshire Fire and Rescue Service, told a property league connected Friday the explosions were caused by vats of chemicals caught successful the flames.
He said the blaze was contained, but would instrumentality respective days to enactment retired fully.
Supt Smith added 8 radical truthful acold had been evacuated from their homes and that astir were capable to enactment with different household members.
Eyewitnesses reported proceeding "small pops" similar explosions and a beardown chemic smell.
Ben Coleman told the BBC: "There's a spot of a smell... I heard tiny explosions - thing excessively big, it was a few, like, pops.
"I could spot a large acheronian cloud, and I thought it was a thunderstorm, past I looked to my close and saw a large plume of fume coming up from the building."
Warwickshire Fire and Rescue Service was joined astatine the country by colleagues from West Midlands Fire Service and different neighbouring crews.
West Midlands Ambulance Service said 1 ambulance, a paramedic serviceman and a Hazardous Area Response Team (HART) attended.
The BBC is not liable for the contented of outer sites.