london u.s. president donald trump wrong post anti-islam videos twitter originally publish leader britain first fringe far-right party spokesman prime minister theresa may say wednesday wrong president do spokesman say britain first seek divide communities use hateful narratives peddle lie stoke tensions cause anxiety law-abiding people british people overwhelmingly reject prejudice rhetoric far-right antithesis value country represent decency tolerance respect trump wrong retweet uk far-right group british pm may 's spokesman