A picture of a car has been released as part of an investigation into an arson attack in Preston city centre.
During the afternoon of Friday (5 October) petrol was poured through a letterbox of the Onward Homes offices in Avenham.
The building in Arundel Court was targeted with the fuel set alight before the suspect made off.
No descriptions of those involved have been released but CCTV shows a blue car in the area.
The fire did not spread and was put out and no one was hurt.
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Preston Police say the driver of the vehicle, picture, may have witnessed the incident.
Detective Constable Andy Forsyth said: “This was a serious incident and it is only a matter of luck that no-one was seriously injured.
“I would appeal for anyone with information to contact us on 101 quoting log number 721 of October 5th or independent charity Crimestoppers on 0800 555 111.”