Police are appealing for information after a red Vauxhall Corsa was deliberately set on fire on Rasen Lane in Lincoln – the fifth car fire reported this month.
Lincolnshire Fire and Rescue were called to attend the fire at around 5am on Sunday, May 18.
They confirmed that the cause had been intentional arson.
Lincolnshire Police arrived at the scene at around 5.10am and have been conducting local enquiries.
There were no reported injuries at the scene.
The incident follows a spate of vehicle fires in Lincoln.
Four other car fires have been reported this month, all from the Birchwood area.
Police are appealing for anyone with information to call them on 101, quoting incident number 112 of May 18.