Manama, Jumada I 06, 1437, February 15, 2016, SPA -- Bahrain's security authorities arrested four U.S. nationals, among them a girl, on charges of causing subversion, riot and attacking security men. The Director General of Manama police said today investigation into the incidents was launched. --SPA 18:56 LOCAL TIME 15:56 GMT www.spa.gov.sa/w