Lower Broughton, a derelict area of Salford, housing nearly 800 families, is one of the worst slums in Britain, according to 'Shelter.' But in this country more than a million families exist in housing officially classed as unfit. A further three million homes lack basic amenities. Harold Williamson reports from Lower Broughton on the struggle for human survival against inhuman odds. Is the problem too big for local government to handle?