Nigel Farage claims Berlin terror attack proves EU free movement is 'risk to public safety' | Daily Mail Online: Anis Amri, 24, travelled unhindered through at least 3 countries since Monday
Terrorist fled Germany, ended up in French Alps then travelled by train to Milan
Yet police source told Bild before Milan shoot-out: 'We believe he is either in Berlin or in North Rhine-Westphalia’
Angela Merkel claimed yesterday German police were close after series of raids
Nigel Farage says case is proof EU opens borders are dangerous for continent
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