The search to find the mother of three children abandoned in London across eight years has been narrowed down to just 400 homes, as police say they "cannot discount" a fourth baby being found as time goes on.Officers have been door-knocking several properties in a specified area of East Ham and Plaistow in east London, in an attempt to uncover information which may lead to the identification of the mother of the children.Experts believe that the person who abandoned the children, who may or may

The search to find the mother of three children abandoned in London across eight years has been narrowed down to just 400 homes, as police say they "cannot discount" a fourth baby being found as time goes on.Officers have been door-knocking several properties in a specified area of East Ham and Plaistow in east London, in an attempt to uncover information which may lead to the identification of the mother of the children.Experts believe that the person who abandoned the children, who may or may not have been their mother, could have travelled from one of those properties.