Dzhokhar Tsarnaev
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Boston bomber Dzhokhar Tsarnaev sentenced to death

A US jury has sentenced the man convicted of the 2013 Boston Marathon bombing to death.

Dzhokhar Tsarnaev was found guilty of all the charges against him in April, two years after the attack.

Three people were killed and more than 260 injured when the bombs exploded at the finish line.

Gary O'Donoghue explains the background to the sentence and what is likely to happen next.

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