Ambulances wait as members of the emergency services work on Westminster Bridge, alongside the Houses of Parliament in central London on March 22, 2017, during an emergency incident. British police shot a suspected attacker outside the Houses of Parliament in London on Wednesday after an officer was stabbed in what police said was a "terrorist" incident. One woman has died and others have "catastrophic" injuries following a suspected terror attack outside the British parliament, local media reported on Wednesday citing a junior doctor. / AFP PHOTO / NIKLAS HALLE'N (Photo credit should read NIKLAS HALLE'N/AFP/Getty Images)
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London attack: Watch how it unfolded
01:26 - Source: CNN
CNN  — 

London police believe they have identified the Parliament attacker, but will not name him publicly at this point, Metropolitan Police Acting Deputy Commissioner Mark Rowley said Wednesday.

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