Iranian authorities arrested the wives and family members of a number of high-profile political detainees at a religious ceremony in Tehran, several reformist Web sites reported Friday. The raid happened Thursday after the family members of one detainee, Shahab Tabatabee, announced on the Web site Norooz News that they were holding a prayer ceremony for his release. Mr. Tabatabee, a member of the reformist party Islamic Iran Participation Front, was sentenced to five years in prison last week. The police raided the ceremony at a private home a few minutes after it began, according to a relative of some of...