The London terror attack struck at the heart of British democracy on Wednesday 22nd March 2017 after four people were killed - including the attacker and a police officer - at the Houses of Parliament.
Three others, one believed to be a female pedestrian, were killed during a car rampage on Westminster Bridge which also left at least 40 people hurt - including some with 'catastrophic' injuries.
PC Keith Palmer and Aysha Frade have been named as two of those killed.
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