Coronation Street star Alison King has discussed Carla Connor's storyline following the Underworld roof collapse.
A mystery character will be responsible for the roof caving in, which kills a Weatherfield resident. But fingers will be pointed at Carla after failing to get the roof properly fixed, which leads to her experiencing problems with her mental health.
King, who plays Carla, explained how determined she is to get the "difficult" storyline right.
Related: Coronation Street confirms 6 sinister suspects for the Underworld roof disaster
"It is difficult and I want to get it right, so I am doing some research about how it manifests itself and how paranoia can set it," she said.
"Everybody is against her, but it would be tenfold in her mind because of her mental health. This is just the start of it for Carla, and it will be interesting to see what sort of woman she is when she eventually comes out the other side.
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"She is paying for what happened at the factory, whether it was actually her fault or not."
Alison added: "It is the breaking point, and she has a complete breakdown. It is cumulative of all the life trauma that has happened to her.
"She is that strong person who has carried on for too long and not asked for help or dealt with anything properly – her upbringing, finding her father, the rape, losing the baby, the disastrous relationships, the death of Aidan.
"She is at snapping point."
Coronation Street airs the Underworld roof collapse on Monday, March 18 at 7.30pm and 8.30pm on ITV.
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