Firefighters were called out to two fires in Wellingborough on Sunday, August 19.
A crew from Wellingborough fire station was called out to a fire involving refuse in a skip in Castle Fields park, Irthlingborough Road, just before 7.15am.
The fire is believed to have been started deliberately.
Crews were also called out to a hedge fire in Ashfield Road just before 12.30pm.
The hedge fire was believed to have been caused accidentally.