The Prime Minister has spoken about the "unbearable" burden his mother carried while caring for his father Roy during his decline with dementia.

Unpaid carers such as Eileen Burnham should get more support and appreciation, Andy Burnham said.

Roy Burnham died in September aged 85 and because of the progression of his Alzheimer's disease, he did not realise his son had become Prime Minister a few months earlier.

Andy Burnham visit to Hertfordshire

Prime Minister Andy Burnham has said unpaid carers, such as his mother, should get more support (Leon Neal/PA)