Photos: Increased security on L.A. County Metro Red Line after terrorism threat

L.A. Mayor Eric Garcetti talks to Metro Red Line passengers on a train he boarded Tuesday at the Universal City station. Seeking to calm any nerves frayed by a report of a planned terrorist attack on the station, the mayor asked riders to “please go about your business.”

A Los Angeles County sheriff’s deputy and a bomb-sniffing dog stand near the entrance to the Metro Red Line’s Universal City station Tuesday morning.

Law enforcement agencies beefed up their presence at L.A. County Metro stations Tuesday in response to a report of a potential attack on the Red Line’s Universal City station.

L.A. Mayor Eric Garcetti gets a hug from commuter Susan Rorke on the Metro Red Line on Tuesday. Garcetti rode the line to reassure passengers after a report of a potential terrorist attack on the line’s Universal City station.

An L.A. County sheriff’s deputy checks a passenger’s bag near the entrance to the Metro Red Line’s Universal City station. A report from an overseas tip line warned of a potential attack on the station Tuesday.