Police with guns drawn search for a suspect on April 19, 2013 in Watertown, Massachusetts
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Boston bombing suspect killed during police manhunt

US police are hunting a suspect in Monday's deadly Boston Marathon bombing in a small town near the city.

A huge police operation started after an officer was shot dead on Massachusetts Institute of Technology campus.

One suspect was killed during a car chase and shootout in Watertown, six miles (10km) from Boston.

David Willis reports.

  • 19 Apr 2013