A major fire has broken out at a historic mill in Staffordshire. Staffordshire Fire and Rescue Service said six engines were sent to The Big Mill, a Grade II listed building in Mill Street, Leek, at 21:22 GMT on Friday. The service asked people not to drive near the former silk mill as it was "making things difficult", and warned residents to keep windows and doors shut. A spokesperson said on Saturday the flames were largely extinguished but crews were still on the scene dealing with a substantial number of hotspots and were expected to remain for some time. They added the area was still best avoided, with four appliances working from behind the building on Belle Vue Road. Fire officials said they had received a total of 118 calls about the incident. People in the area reported the derelict building appeared "completely burned out" by 23:00.…