A law enforcement source has told Reuters that two people in custody in the Boston Marathon bombing case were college classmates of Dzokhar Tsarnaev, and could face criminal charges.
The source also told the news agency that the third person in custody is a US citizen, and that authorities are investigating whether classmates through away some kind of knapsack at the request of Tsarnaev.
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The prince will meet the country's indigenous people on the penultimate day of his tour of the West Indies.
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