One of two groups charged with certifying citizenship applications from Sephardic Jews around the world said it would no longer do so following the arrest of its rabbi on suspicion of fraud. The Jewish Community of Porto, which represents Jews in Portugal’s second-largest city, announced Sunday that it is “no longer interested in cooperating with the state in the certification of Sephardic Jews,” according to a statement reported by the Lusa news agency. The statement followed the arrest Thursday of Rabbi Daniel Litvak in connection with an investigation into alleged fraud in the community’s processing of citizenship applications. The investigation...