Firefighters are tackling a blaze at commercial building on Freeman Road, North Hykeham.
Lincolnshire Fire & Rescue has sent eight fire crews to the scene after being alerted to the fire at 3.02pm today.
According to the police, no-one has been injured and everyone from the building has been accounted for.
In a statement, Lincolnshire Police wrote:
"The incident is ongoing & we are asking anyone living or working in the area to keep doors & windows closed."