[Q]: Captain Robert Ramsey of the US 1st Armoured Division said a truck had exploded outside the building about 11am, and that one of the compound's outer walls had collapsed.
Captain Robert Ramsey of US 1St Armored Division said a truck had exploded outside the building at around 11 am.

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[A]: 3

[Q]: 3 Suspects Taken Into Custody in Boston Bombing Case
Boston police say 3 taken into custody in Marathon bombing

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[A]: 5

[Q]: Medics transport a patient on a stretcher.
A doctor rushes a patient on a stretcher.

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3