Hostage situation in progress on CalTrain

> Caltrain spokeswoman Christine Dunn said San Francisco police are working to apprehend an armed man on an overpass above the station.

> A passenger on a northbound train that is stopped in the South San Francisco area said an announcement was made on his train that the incident is a hostage situation, but Dunn said she doesn't think that is the case.

http://abclocal.go.com/kgo/story?section=news/local/san_fran...

Update: Looks like it's not a hostage situation. Armed man on an overpass, no hostages reported: http://abclocal.go.com/kgo/story?section=news/local/san_fran...

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