AN outbuilding was badly fire damaged after a car spray booth caught fire.

Crews were called to Manchester Road, in Westhoughton, just after 2.15pm this afternoon (Tuesday).

The cause of the blaze has not been established, but firefighters believe a problem with the filtration system may have been to blame.

Crews from Bolton Central, Horwich and Farnworth tackled the blaze for about an hour.

No one was injured during the incident.