The story

Security is being beefed up at the site of last week's bridge collapse after 16 people were arrested for trespassing and hindering the investigation, Minneapolis police said Wednesday.

Authorities are adding cameras, motion detectors and other technology that will alert police to intruders, Capt. Mike Martin told reporters during a news conference.

"The most important part is: Maintain the honor and the dignity [of the scene]," Martin said. Read full article »

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