Gunshots 'only fired by police' in Capitol shooting

Gunshots fired as a black car raced towards the US Capitol building only came from police, NBC News reported.

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Family question why driver shot

The family of Miriam Carey, the 34-year-old woman shot dead following a dramatic car chase through the streets of Washington that caused a lockdown on Capitol Hill, have said they do not understand why she was shot, when she was unarmed.