TOPSHOT - A policeman walks at the Christmas market near the Kaiser-Wilhelm-Gedaechtniskirche (Kaiser Wilhelm Memorial Church), the day after a terror attack, in central Berlin, on December 20, 2016. German police said they were treating as "a probable terrorist attack" the killing of 12 people when the speeding lorry cut a bloody swath through the packed Berlin Christmas market. / AFP / Tobias SCHWARZ (Photo credit should read TOBIAS SCHWARZ/AFP via Getty Images)
