A police officer who swapped himself for a hostage being held by a suspected Islamist gunman in France has died of his injuries. His cousin pays tribute to him. Also in the programme: protesters gather in the United States to call for stricter gun laws; the first non-stop flight between Europe and Australia takes to the air; and can autonomous automobiles be programmed to make moral decisions about who lives and dies? (Picture: Lt-Col Arnaud Beltrame, 44, died after helping to bring the siege to an end. Credit: EPA)