A total of 150 people attended an illegal rave in Smithills last week before police turned up to disperse the crowd and seize their sound system.The illegal gathering took place in the woods behind Smithills Hall in a spot that was “difficult to get to”, according to a local councillor.Coun Roger Hayes said litter pickers who came to clear the site at the weekend found many metal cylinders spread around the land behind the historic hall.Mayor of Greater Manchester Andy Burnham revealed that