A policeman has been shot dead ahead of the first round of the presidential elections this weekend. The outcome is highly anticipated as it could have major implications for France and Europe as a whole.Also in the programme; returning to meet a young Syrian boy who has known nothing but war; and why has a Vietnamese village taken 19 police officers hostage?(Picture: People walking past campaign posters of French presidential election candidates in Bailleul, northern France, two days before the first round of the election. Philippe Huguen/AFP/Getty Images)