Emergency forces care for an injured person at the crime scene in Cologne, western Germany, where a candidate for mayoral election was attacked on October 17, 2015. The crossbench candidate Henriette Reker was stabbed by a man and seriously injured while canvassing on the eve of the elections. Police said it was a "racist political" attack linked to the large numbers of migrants entering the country. MANDATORY CREDIT: AFP PHOTO / DPA / ACN-NEWS ESSEN / +++ GERMANY OUT +++ (Photo credit should read -/AFP/Getty Images)
