The Harris family will exit Weatherfield in the New Year after Katy stabs her dad Tommy to death, the People claims today.
The storyline - one of Coronation Street's most sensational ever - will kick off when Katy reveals she expecting the baby of her older lover, Martin Platt.
The pair become involved in a huge row which ends with Katy - actress Lucy-Jo Hudson - knifing Tommy. Martin is the prime suspect for the murder but Katy's mum Angela then tries to take the blame.
The plot marks the long-anticipated departure of the Harris family from the soap. Only son Craig, played by 15-year-old Richard Fleeshman, will remain.
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