BERLIN (AP) — Berlin police are investigating an attack on an Israeli citizen who was beaten by a group of young men after he asked them to stop singing anti-Semitic songs on the subway in the German capital on New Year’s Eve. Police spokesman Martin Dahms said Monday that police have not yet been able to identify the attackers, but are evaluating video footage of the incident. The victim, 26-year-old Shahak Shapira, who lives in Berlin, told The Associated Press that after he asked the seven men to stop chanting anti-Jewish and anti-Israeli songs and slurs, he recorded them on...