Summary: Report warning that most local authorities are unaware exactly how many children on their ‘in need’ registers are affected by the benefit cap. Analyses responses from Freedom of Information requests made to 212 local authorities regarding their understanding of how the cap will affect vulnerable children. Finds that an estimated 175,000 children are affected by the benefit cap and 378,000 children are classed as ‘in need’. Suggests that vulnerable families affected by housing benefits cuts face homelessness or forced relocation.