The Israeli Prime Minister Benjamin Netanyahu has said the killing of six hostages in Gaza shows Hamas doesn't want a ceasefire deal. The deaths came as aid agencies begin a mass vaccination campaign against polio in the Palestinian territory. We look in detail at both. Also in the programme: What is driving voters from eastern Germany? And an opera based on one of the best known Sherlock Holmes novels. (Photo: A combination picture shows undated handout images of hostages Ori Danino, Carmel Gat, Hersh Goldberg-Polin, Eden Yerushalmi, Alexander Lobanov, and Almog Sarusi, who were kidnapped by Hamas during the October 7 attacks, and whose bodies have been found underground in the Rafah area of the Gaza Strip and returned to Israel, amid the Israel-Hamas conflict. Credit: Courtesy of Bring Them Home Now/Handout via Reuters)