Sadiq Khan on Twitter: "PC Keith Palmer was tragically killed whilst doing his duty - protecting our city and democracy from those who want to destroy our way of life. He ran
![Memorial unveiled to honour Pc Keith Palmer killed in Westminster terror attack | London Evening Standard | Evening Standard Memorial unveiled to honour Pc Keith Palmer killed in Westminster terror attack | London Evening Standard | Evening Standard](https://static.standard.co.uk/s3fs-public/thumbnails/image/2019/02/20/19/pckeithpalmermemorial2002.jpg?width=1200&auto=webp&quality=75)
Memorial unveiled to honour Pc Keith Palmer killed in Westminster terror attack | London Evening Standard | Evening Standard
![Pierre commémorative pour PC Keith Palmer GM, un policier tué par un terroriste dans le parc du Palais de Westminster. Cartes et fleurs Photo Stock - Alamy Pierre commémorative pour PC Keith Palmer GM, un policier tué par un terroriste dans le parc du Palais de Westminster. Cartes et fleurs Photo Stock - Alamy](https://c8.alamy.com/compfr/ry9388/pierre-commemorative-pour-pc-keith-palmer-gm-un-policier-tue-par-un-terroriste-dans-le-parc-du-palais-de-westminster-cartes-et-fleurs-ry9388.jpg)
Pierre commémorative pour PC Keith Palmer GM, un policier tué par un terroriste dans le parc du Palais de Westminster. Cartes et fleurs Photo Stock - Alamy
![Scott Mann MP on Twitter: "Six years ago today PC Keith Palmer GM gave his life in the line of duty protecting Members of Parliament, myself included, against a terrorist attack on Scott Mann MP on Twitter: "Six years ago today PC Keith Palmer GM gave his life in the line of duty protecting Members of Parliament, myself included, against a terrorist attack on](https://pbs.twimg.com/media/Fr0E5F_WIAE4Xh3.jpg)
Scott Mann MP on Twitter: "Six years ago today PC Keith Palmer GM gave his life in the line of duty protecting Members of Parliament, myself included, against a terrorist attack on
![Why was PC Keith Palmer left so vulnerable? Damning dossier provides disturbing clues | Daily Mail Online Why was PC Keith Palmer left so vulnerable? Damning dossier provides disturbing clues | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/05/01/21/27902744-0-image-a-52_1588366690829.jpg)