Benefit fraud takes money away from the most vulnerable and costs the taxpayer over a £1billion a year.
"We work hard to tackle this problem at the frontline and regularly highlight the work of our fraud investigation teams as a warning to potential benefit cheats that they will be caught."
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The former BBC journalist will also present a new political programme 'Peston on Sunday'.
Patients needing orthopaedic surgery in Wales will be asked to lose weight and give up smoking as NHS struggles to cope with waiting lists.
Heavy showery rain will continue to push northeastwards across the north of Britain during the rest of today.