The fear of spreading coronavirus infections has led many countries to enforce lockdowns – restricting people’s movement. Medical appointments and screening clinics to detect any early signs of cancer have been cancelled. New British research suggests that between 7,000 and 35,000 extra cancer deaths could result from the lack of diagnosis and treatment which patients would normally receive. Professor Richard Sullivan from Kings College London has been monitoring the global impact of lockdown on cancer services. Listen on the BBC here.