Rob Delaney on grieving for his son

The comedian Rob Delaney has written about the pain of losing his son. Henry Delaney died at the age of two old due to a brain tumour. In ‘A Heart That Works’ Rob Delaney writes about coming to terms with every parent’s worst nightmare - the death of a child. He spoke to Today’s Martha Kearney about why he felt it was important to write about what happened to his son and his family. (Image, Rob Delaney, Credit, Tricia Yourkevich/BBC)