A report by Human Right Watch alleges the M23 rebel group killed at least 140 people in eastern Democratic Republic of Congo last month in one of the worst atrocities committed since its insurgency in 2021. The overall number of victims could exceed 300. We hear from an eye witness and the DRC foreign minister, who says the alleged massacres violated a ceasefire agreement.

Also in the programme: the Israeli Defence Force has called around 60,000 reservists in what is being seen as evidence of an imminent operation to take over Gaza City; and the scientific research giving hope to people who have lost their sense of smell.

(Photo: a member of the M23 rebel group walks in eastern Democratic Republic of Congo, March 2025. Credit: Reuters / Z. Bensemra)