Couple embrace at memorial in Boston
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Boston Marathon bombing one week on

A minute's silence will be held across the state of Massachussetts to remember the three people killed and 180 injured in the attacks.

A minute's silence will be held across the state of Massachussetts to remember the three people killed and 180 injured in the attacks a week ago.

It is still not known when a specially trained team of investigators will be able to question teenage suspect, Dzhokhar Tsarnaev.

He is under armed guard in hospital with a gunshot injury to the throat.

Jane Little reports.