UPDATE: 11am, February 21 - Lincolnshire Fire and Rescue have extinguished a fire at Mid UK Recycling in Ancaster, after over 24 hours on the scene.
There will be some reprocessing work carried out at the site in the next couple of weeks, which may lead to some smoke but should not cause further disruption.
2pm, February 20 - The A153 which has been closed due to a fire at Mid UK Recycling has now been re-opened.
High Dyke remains closed due to smoke across the road.
Fire crews expect to be on the scene at Ermine Street in Ancaster for up to another 24 hours.
11:30am - Fire crews have been tackling a blaze at Mid UK Recycling in Ancaster for almost 12 hours.
The fire is burning around 550 tonnes of used carpet, causing a large amount of smoke.
The Health Protection Agency has advised residents at any property affected by the smoke to stay indoors and close their doors and windows as a precautionary measure.
Anyone experiencing breathing issues because of the smoke should call NHS Direct or their local GP.
Lincolnshire Fire and Rescue believes that the cause of the fire was a mechanical fault in processing equipment.
A statement from Mid UK Recycling said: "Mid UK Recycling would like to apologise for any inconvenience caused and are doing everything they can to bring the incident to a rapid conclusion."
Lincolnshire Fire and Rescue expect that the fire will be fully extinguished within 24 hours, hopefully sooner.
Both the A153 from Honington to Sleaford and the B6403 High Dyke remain closed with a recommended diversion via the A17, A15, A52 and A607.
10:15am - The A153 is closed between the A15 and A607 the B6403 High Dyke has been closed to allow Lincolnshire Fire and Rescue to tackle a fire at a commercial building in Ancaster.
Large A-road diversions are in place but small local routes are still open.
ORIGINAL: Fire crews from Lincolnshire are tackling a blaze at a commercial building in Ermine Street, Ancaster.
The fire has been burning throughout the night with six appliances and a hydraulic platform called into action at 12:30am on February 20.
During the night the High Volume Pump from Gainsborough and the Hose Layer from Donington attended to assist with water.
This morning, 4 main jets remain in use and relief crews are on the scene.