Westminster eyewitness: 'I saw bodies'
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London attack: Witness 'saw bodies' after Westminster incident

A police officer has been stabbed in the Houses of Parliament in central London, in what police are treating as a terrorist incident.

The attacker, who was shot by police officers, is reported to have earlier mowed down several pedestrians as he drove a car across Westminster Bridge.

Eyewitness Steve Voake was on the bridge when the events unfolded.

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