A mum said she lost her Universal Credit payments after she was given an appointment at a job centre that is permanently closed. Tanya Williams was left with £100 per week, which she said has been “tough” as a single parent caring for her children without regular payments. The 40-year-old said the Department for Work and Pensions (DWP) error has caused her to break down in tears. Williams – from Rock Ferry, Wirral – is a full-time carer for her daughter Aicha, who has autism. Aicha suffered as many as 50 seizures a day when she was born due to a brain tumour. She became a single mum to Aicha a…