by Jocelyne ZABLIT LOS ANGELES, United States (AFP) — Authorities ratcheted up security on the Los Angeles metro following a tip from overseas about an impending bomb attack Tuesday against a station in the sprawling rail network. The threat was relayed by an anonymous man who called a public safety line run by an unidentified foreign government, which then passed on the information to a Federal Bureau of Investigation terrorism task force, said Deirdre Fike, […]