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Casualties Reported After Car Rampage, Knife Attack In London

03:34

Updated March 22, 2017

Emergency services staff provide medical attention close to the Houses of Parliament in London, Wednesday, March 22, 2017. London police say they are treating a gun and knife incident at Britain's Parliament "as a terrorist incident until we know otherwise." The Metropolitan Police says in a statement that the incident is ongoing. Officials say a man with a knife attacked a police officer at Parliament and was shot by officers. Nearby, witnesses say a vehicle struck several people on the Westminster Bridge. (Matt Dunham/AP)

A vehicle mowed down pedestrians on London's Westminster Bridge, killing multiple people and leaving others with injuries described as catastrophic. Around the same time Wednesday, a knife-wielding attacker stabbed a police officer and was shot on the grounds outside Britain's Parliament, sending the compound into lockdown.

Here & Now's Jeremy Hobson gets the latest on the developing story from NPR international correspondent Frank Langfitt (@franklangfitt).

With reporting from The Associated Press

This article was originally published on March 22, 2017.

This segment aired on March 22, 2017.