Boston bombs 'remote trigger'
US investigators have revealed the two bombs that went off at the Boston Marathon were detonated with the kind of remote control device used for a toy car.
Joe Biden speaks at memorial for Boston police officer
US Vice President Joe Biden today spoke at the memorial for Sean Collier, a police officer killed in the search for the Boston marathon suspects.
Biden commended all who attended the memorial, saying that people's determination "resonated around the world".
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Teacher who lost foot in Boston bombs plans to dance
Among those terribly injured by the Boston marathon bombs was a dance instructor. Adrianne Haslet-Davis lost her foot in the explosion.
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Boston bomb suspects attended last year's race
The mother of the two brothers suspected of carrying out the Boston bombings told ITV News they saw last year's race but are innocent.
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Boston Marathon suspect could face death penalty
Boston's marathon bombing suspect Dzohkhar Tsarnaev was charged with an offence that could lead to the death penalty, if he is found guilty.