MORE than 30 firefighters have been tackling a mill fire.

The blaze started at the mill in Brownlow Business Park, Tennyson Street, at about 1.30am this morning.

Firefighters forced entry to the building and tackled a blaze on the ground floor. Four vehicles on the ground floor were damaged.

Business Afford-a-Part and Bolton Area Divers Ltd have been impacted by the blaze.

Crews from Bolton Central, Bolton North, Farnworth and Eccles remained at the scene for about four hours.

Investigations are still being carried out. The cause of the blaze is not yet known. The fire comes two days after a blaze at a disused mill in River Street in the town centre on Saturday evening.