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.
Reports: US officials meet suspects' family in Dagestan
US officials are holding talks with relatives of the Tsarnaev brothers, who are suspected of carrying out the Boston bombings, in Dagestan, according to media reports.
BBC News reports that a delegation from the US Embassy in Moscow flew in to the Russian republic last night. News agency AFP reports that the FBI was involved in the interviews.
The eldest of the two brothers, Tamerlan, spent six months in Dagestan and his native Chechnya last year.
Watch our correspondent Martin Geissler's interview with their mother here
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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.