Keith Palmer , ( 1968 or 1969 – 22 March 2017 ) was a British police officer who was posthumously awarded the George Medal , the second highest award for gallantry " not in the face of the enemy " . Though unarmed , he stopped a knife-wielding terrorist from entering the Palace of Westminster during the 2017 Westminster attack ; he died from wounds he received in this attack . He had worked for the Metropolitan Police Service ( MPS ) for 16 years , and had joined the MPS 's Parliamentary and Diplomatic Protection Group in April 2016
2017 Westminster attack
2017 Westminster attack
Keith Palmer (police officer)