Tap water remains unsafe in Derbyshire and Leicestershire

Company works to restore supply to thousands of people affected by high chlorine levels in reservoir

Thousands of people in in Derbyshire and Leicestershire are still being advised not to use their tap water after the discovery of high chlorine levels at a nearby reservoir.

Up to 3,700 households have been unable to use their water supply since Friday afternoon, when it emerged higher than normal levels of the chemical were detected.