Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. British Ambassador Detained Briefly While Attending Tehran Vigil for Jet-Crash Victims RFE/RL Britain's ambassador to Tehran has said he was detained briefly by Iranian authorities as he attended a vigil for the victims of last week's crash of a Ukrainian passenger jet. Iran's Mehr news agency said Rob Macaire was arrested on Saturday for his alleged "involvement in provoking suspicious acts" at the gathering in front of Tehran's Amir Kabir University. .