Story highlights Five people were killed in Wednesday's attack in central LondonKeith Palmer was stabbed by the attacker who was then shot by police(CNN) Keith Palmer's 15-year career as a London police officer was brutally ended Wednesday by a terrorist's knife. Palmer, a 48-year-old father, was one of four people killed in Britain's most lethal terror attack since the 2005 public transit bombings. The assailant drove a car through crowds of people, injuring dozens before crashing into a fence near London's Houses of Parliament. Keith Palmer, 48, was killed in Wednesday's attack in London. Witnesses said the attacker then got out of his car, brandishing the knife that he used to fatally stab Palmer.

Source: CNN March 23, 2017 01:10 UTC