This combination of pictures created on December 22, 2016 shows handout portraits released by German Federal Police Office (BKA) on December 21, 2016 showing two pictures of Tunisian man identified as Anis Amri, a rejected asylum seeker suspected of involvement in a deadly truck assault on a Berlin Christmas market claimed by the Islamic State jihadist group (top) and (bottom) computer screen grabs showing his portraits taken from a copy of his arrest warrant. Pic/AFP

Berlin: A man believed to be the suspect in the Berlin Christmas market truck attack was killed in a shoot-out in a suburb of the northern Italian city of Milan on Friday, a security source told Reuters.