People caring for older, seriously ill or disabled loved ones in Wales are missing out on £66 million in allowances.
Carers Wales say a lack of advice and education has left thousands of carers without vital financial support.
The Department of Work and Pensions says the system is being simplified to increase the take-up of benefits.
Alexandra Lodge reports
More top news
A North Wales PC could face disciplinary action after admitting driving more than twice over the legal alcohol limit.
Rhodri Morgan's memoirs are published, revealing much about the man and his political struggles before and after becoming First Minister.
Carwyn Jones will speak at Labour's conference where he'll credit 'working together' for Labour's surprise election success in Wales