U.S. on high alert
3,066 views · Published 16 April 2013 · 7:44 · Indexed 20 October 2026
Channel: CBC News: The National · 2013 · News & Politics
Following the attack in Boston, cities across the U.S. are on high alert. Paul Hunter has that story. Plus we hear from a former CSIS intelligence officer who answers questions about the explosions in Boston.
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