U.K. ups terrorist prevention ahead of Olympics

U.K. ups terrorist prevention ahead of Olympics

July 11, 2012 4:21 PM

There may not be any known terrorist threat tied to the upcoming Olympic games in London. But U.K. officials are ramping up their biggest peacetime security operation in history. Scott Pelley spoke with Bob Orr on their preparations.

UK: 3,500 more troops assigned to Olympics
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