Firefighters remain at the scene of a large blaze at a derelict factory in Sudbury. Crews have spent the evening tackling the fire at the disused Delphi engineering site, in Newton Road. A Suffolk Fire and Rescue Service spokesperson said at its height crews from Sudbury, Long Melford, Bury St Edmunds, Clare, Haverhill, and Hadleigh were at the scene with additional support from Essex Fire & Rescue Service, which attended with crews from Halstead and Colchester. They said: “Two aerial appliances were also used at the scene to tackle a well developed fire in the roof and first floor of the buil…