High levels of deprivation and job insecurity, vast income inequality, housing discrimination and medical disparities have long had a severe impact on the tangle of communities and ethnic minority populations that live in these boroughs. But when combined with the necessity to go to work, to take public transport and to share space in densely packed housing, they also provided the perfect breeding ground for a deadly virus. The domino effect would prove catastrophic.

Actor David Harewood's BBC documentary explores why people of colour are more likely to die from Covid-19.