Entertainment Tweet by @SheffCityHall Published Nov. 13 2020 05:45 PM This Friday the 13th why not treat yourself with a special offer for the @circusofhorrors show March 2021.To claim £5 off your tickets simply enter BAT when booking your tickets.For further info and to book visit https://t.co/cX0KyYStWk, — Sheffield City Hall (@SheffCityHall) November 13, 2020 17:45