It was waste wood on fire at Louth football ground
Lincolnshire Fire and Rescue say last night's fire at the derelict Louth Town Football Ground involved waste wood.
Firefighters were called out shortly after 11.30pm.
They used one hose reel jet to extinguish the fire.
Lincolnshire Fire and Rescue has not revealed the cause of the second fire in two days at the Park Avenue site.
It was the second fire there in two days.