The British parliament building in London has been put on lockdown following reports of gunfire outside the building Wednesday. London metro police have said they are treating the incident as a terrorist attack until they have further details.
Shots Fired Outside British Parliament
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
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A woman ducks under a police tape after an incident on Westminster Bridge in London, March 22, 2017.

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Police tapes off Parliament Square after reports of loud bangs, in London, Britain, March 22, 2017.

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An air ambulance lands in Parliament Square during an incident on Westminster Bridge in London, Britain March 22, 2017.

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A woman lies injured after a shooting incident on Westminster Bridge in London, March 22, 2017.