What to know

• Shortly before becoming PM, Mr Burnham spoke of a 'sadness' that his father would not be aware his son was taking on the top job due to him living with Alzheimer's .S1
• Roy Burnham was living with Alzheimer’s in a care homeS2
• Andy Burnham has spoken about his father’s illness which meant that he did not know his son had become Prime MinisterS3
• The sad news has been confirmed by Downing StreetS4