text: UK bookmakers lengthen Conservative victory odds . LONDON 1996-12-06 UK bookmakers William Hill said on Friday they have lengthened the odds of a Conservative victory in the next general election from 9-4 to 5-2 . William Hill said the odds were the longest they had been for six months . The Labour opposition are now 1-4 favourites , it said . The election must be held by May . -- London Newsroom +44 171 542-7768