Coronation Street's Claire Sweeney has opened up about her character Cassie Plumber's dark storyline, which sees her poison Ken Barlow in upcoming scenes

Claire Sweeney has opened up about her dark Coronation Street storyline as Cassie Plumber is seen trying to kill Ken Barlow by lacing his tea with crushed sleeping tablets

Warning - contains spoilers Coronation Street actress Claire Sweeney is bracing herself for a whole lot of hate. And she reckons even her boyfriend, retired boxer Ricky Hatton, won't be able to stop the onslaught.

Claire Sweeney has opened up on her character Cassie Plummer's shocking behaviour and how she fears the public backlash to her character trying to poison a "national treasure"

CORONATION Street has taken a dark twist with Cassie Plummer’s sick scheme against Ken Barlow. The troubled recovering drug addict – who is played by actress Claire Sweeney in the ITV soap

This article contains spoilers for tonight’s Coronation Street, which has not yet aired on TV but is available to watch now on ITVX. Cassie Plummer (Claire Sweeney) took drastic action in tonight’s Coronation Street after losing her job as Ken Barlow’s (William Roache) carer.