BREAKING NEWS: Berlin truck killer's nephew is arrested 'for being a member of his ISIS terrorist cell and planning to join him in Europe' - as family say killer should not have been shot dead

Nour El Houda Hassani, mother of Berlin truck terrorist Amri, said after her son was shot dead after opening fire on police in Milan: 'Within him is a great secret. They killed him, and buried the secret with him.' And she called on authorities to unearth who put Amri, 24, up to Monday's attack, which claimed 12 lives after
he drove a lorry into the middle of a busy Berlin Christmas market. And brother Abdul Kader, speaking at the family home in Tunisia, said: 'They killed him when he was still only a suspect. Why?'