Diane Abbott says race "is at the heart of the debate in British politics", after she was the target of racist remarks reportedly made by a top Tory donor. Our political editor Kitty Donaldson reports on how the controversy is putting further pressure on Rishi Sunak's leadership.

The comments have sparked a wider debate on racism in the UK. We get the view of author and commentator Nels Abbey. Hosted by James Woolcock and Stephen Carroll.