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New Boston suspects' images

The FBI has released two fresh images of two possible suspects in the Boston Marathon bombings.

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Obama orders flags to fly half-mast in honour of Boston

President Barack Obama has ordered flags at the White House and all government buildings to be flown at half-mast in honour of the Boston Marathon explosion victims.

US President Barack Obama. Credit: Reuters

Obama signed a proclamation making the order Tuesday morning, calling it a "mark of respect for the victims of the senseless acts of violence". He ordered flags to remain lowered until sunset on Saturday.

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