German authorities said on Sunday they had arrested a 22-year-old Syrian man in Berlin suspected of preparing a “jihadist” attack, without giving details of the alleged plot. The suspect, arrested on Saturday in the capital’s southern Neukoelln district, was being kept in a detention centre and was to be brought before an investigating judge later on Sunday. He was alleged to have plotted “a jihadist-motivated attack”, a spokesman for the prosecutor’s office in Berlin told Agence...