Fire crews have attended the scene of a large haystack blaze in Harpenden this evening.

Herts Advertiser: Fire crews are attending a 800 tonne haystack fire in Harpeden. Picture: Jeremy WeightmanFire crews are attending a 800 tonne haystack fire in Harpeden. Picture: Jeremy Weightman (Image: Archant)

Herts Fire Control tweeted that the blaze in Bower Heath Lane was approximately 50 metres by 20 metres, and contained 800 tonnes of straw.

Crews from Markyate, Wheathampstead, Welwyn Garden City and Bedfordshire Fire and Rescue arrived at around 5.50pm to assist.