A large blaze broke out at a house in Boston, close to a petrol station.
The fire was first reported at around 4pm on Monday, September 2 on London Road in the town.
Videos were taken by passers-by which showed black smoke, balls of fire and debris coming from the front-facing upstairs window at the house.
It is believed that the house has been abandoned for some time.
Lincolnshire Fire and Rescue said it has sent four crews from Boston, Kirton and Leverton to attend a derelict property fire.
This is a developing story. Refresh for updates.