Mass Transit Security Operators of America's mass transit systems have increased security in the wake of the Madrid train bombings, which killed nearly 200 and injured thousands more. Officials say the public's help is critical to spotting suspicious activity. NPR's Brian Naylor reports.
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U.S. Mass Transit Beefs Up Security After Madrid

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U.S. Mass Transit Beefs Up Security After Madrid

U.S. Mass Transit Beefs Up Security After Madrid

U.S. Mass Transit Beefs Up Security After Madrid

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  • <iframe src="https://www.npr.org/player/embed/1831663/1831664" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Operators of America's mass transit systems have increased security in the wake of the Madrid train bombings, which killed nearly 200 and injured thousands more. Officials say the public's help is critical to spotting suspicious activity. NPR's Brian Naylor reports.

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