Police say six victims critically wounded in attack by 39-year-old assailant in the German cityTwelve people have been wounded – six critically – after a woman with a knife stabbed people at the central railway station in the German city of Hamburg.Police said the assailant was a 39-year-old woman who was believed to have acted alone when she attacked people on the platform between tracks 13 and 14 in the station late on Friday. Continue reading...