Tainted tap water left us in agony

Louise Minchin, Gloria Hunniford and Julia Somerville seek answers for householders who say their water company should have acted more quickly when the dangerous cryptosporidium bug was found in their tap water supply. Also on the programme, the customers of a leading double glazing firm who say they’ve been left out in the cold. And the team investigate the well-known supermarket rewards points that some users say are far too easy to steal.