Coronation Street icon Beverley Callard was left convulsing after being 'possessed by a spirit' in shocking scenes for a new TV show. The 68-year-old, who played Liz McDonald on the cobbles for years, is one of the stars taking part in Discovery+ show Celebrity Help! My House Is Haunted. The star signed up to the series after reporting some strange goings on at her house in Norfolk, where she lives with her husband Jon McEwan. The couple moved into the converted barn after previously living in