Boris Johnson has said MPs must not be put be fearful of carrying out their duties after the fatal stabbing of Conservative MP Sir David Amess. <br />The prime minister said: “What we must not do is be intimidated by this appalling murder into changing the way we conduct our parliamentary business or the way we work in our constituencies.” <br />It comes as a man from London appears in court charged with murder and preparing acts of terrorism. Report by Buseld. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn