The third London Bridge attacker has been named as Youssef Zaghba, a Moroccan-Italian man. Questions are being asked over how well-known he was to security services.



Also in the programme: Insurgency in the southern Philippines and George Orwell



(Picture: Youssef Zaghba, Khuram Shazad Butt and Rachid Redouane believed by police to be the three attackers in the June 3 terror attack on London Bridge. Credit: AFP/Getty Images)