A "Happy Brexit Day" poster telling residents of a block of flats "we do not tolerate" people speaking other languages has been reported to the police. Copies of the sign were reportedly found stuck to fire doors on all 15 floors of Winchester Tower in Norwich on Friday morning. The discovery came hours before the UK officially left the European Union at 11pm on Friday. A photo of the poster, which was shared on social media, shows that it reads: "As we finally have our great country back we feel there is one that needs to be made clear to...