The A17 is currently blocked around the Heckington area in both directions due to a fire.
Officers were called to Abbey Parks Farm Shop on Boston Road in East Heckington at 9.47am on Tuesday – following reports of a fire.
Diversions are being put in place but please avoid the area as the road will be blocked for some time. No injuries have been reported.
Lincolnshire Fire & Rescue has crews from Doningon, Leverton, Metheringham, Sleaford and Boston on the scene, confirming that a full commercial building is on fire.