3:45pm16/07/26
Hearing resumes
The jury are hearing some private conversations made by Walker to friends and family.
She described Isabelle as 'a little f****** s***' and had bitten her on occasion - typical toddler tantrums she says.
Walker says she didn't mean anything when she said it during what she says was a private conversation.
She again reiterates that she has never hurt her daughter at all.
3:08pm16/07/26
Nappy change
Walker says she changed Isabelle's nappy and saw the blood in her nappy.
She says she put Isabelle in some pyjamas before putting her on the floor and calling her stepdad for help.
Mr Lumley questions her about what she told police about Isabelle's injuries to her private parts.
"I did not do that," she says. "I was frightened and was being accused of raping my own daughter. I didn't know how to explain the bruises."
The barrister asks why it frightening, she says 'it was all frightening when these police interviews occurred'.
She says she didn't know the answers to all the questions but accepts she shouldn't have told them that she had got up with Isabelle.
When asked why she didn't say anything about the bruises to her genitals, she says she didn't think anything abusive had happened and she 'lost her mind' when police came in and told her that her daughter had been grape and murdered.
"I lost my mind," she says. "I can't believe this has happened."
3:02pm16/07/26
Head injury
Mr Lumley is asking Walker about the day Isabelle suffered her fatal head injury.
He asks whether she was checking on her every 15 minutes, she says 'I panicked about what was being suggested at the time'.
Walker accepts that she lied to make herself look better.
She tells the jury that she went upstairs to wake her daughter up at around 3pm.
Walker says when she brought her daughter downstairs she didn't have pyjama bottoms on, she was only wearing a nappy on her bottom half.
Mr Lumley asks her about the statements she made about Isabelle following her death.
2:50pm16/07/26
Self-inflicted injuries
Mr Lumley asks Walker why she told police that Isabelle has inflicted some of the injuries on herself.
"I was explaining something that did happen but not on that day." she says.
Walker had told officers that her daughter could be clumsy and was prone to throwing tantrums where she could herself.
2:39pm16/07/26
Isabelle's injuries
Mr Lumley is dealing with the events of September 13, the day when Isabelle suffered her fatal injuries.
Walker says she confronted Simpson about the bruises she spotted on her daughter's body and accepts that she lied to police about putting her to bed on the morning.
The barrister asks her why she described some of Isabelle's bruises as 'fingerprint marks' - she replies 'that's what they looked like'.
Walker denies that she was responsible for causing the injuries and maintains she mentioned it to police because 'that's what they looked like'.
2:32pm16/07/26
Timeline evidence
Mr Lumley asks her if she did anything to make her cry. She says 'no' and denies doing anything to her daughter.
Walker denies that she struggled with Isabelle's behaviour. She says 'I loved her, she was the best thing in my life'.
2:21pm16/07/26
Evidence resumes
Mr Lumley has resumed cross examining Alexandra Walker following the lunch break.
He is asking her about her actions when Isabelle suffered her leg injury on August 20.
She says she cuddled her daughter and she seemed to settle down.
"I didn't know her leg was broken or I would have taken her to hospital sooner than I did," she says.
12:51pm16/07/26
CCTV footage
Walker denies that she was allowing Isabelle to care for herself after she was recorded playing in the garden on her own adding that she was probably doing housework at the time.
She tells the jury that if Isabelle woke up during the night she would go up and care for her.
Mr Lumley asks Walker whether drinking Stella made her aggressive. She denies that was the case and when she was shouting at people it was because she was justifiably angry about something and would have shouted whether she was drinking or not.
Walker admits that she had drank at least ten cans of Stella in an 'epic' session.
She describes herself as a 'lover not a fighter' after Mr Lumley asks her about a threat she made to assault someone.
Walker says it was all talk and she had never been violent in her life.
Walker accepts that the first thing on the list when her mother wanted know what she wanted from Asda - she says Stella.
The hearing has adjourned for lunch.
12:41pm16/07/26
Drinking habits
Mr Lumley asks Walker about how she described her drinking habits to police when she told them she only really drank on a weekend.
She accepts that the CCTV shows she drinks often - 'almost every night'.
He asks her whether drinking affected the way she cared for Isabelle. She says: "No, when I did drink Isabelle was always in bed."
She tells the jury that she always shut the kitchen door when she was drinking or smoking.
Mr Lumley asks her about the footage of her waving a knife around in the kitchen.
She says it was an 'embarrassing thing to do' but she couldn't really remember what she was doing because she was intoxicated.
He asks her what she would have done if Isabelle woke up. She says: "I would have a coffee and sort myself out."
She accepts that her own CCTV caught her throwing up in her kitchen sink.
12:34pm16/07/26
Simpson relationship
Walker tells the court that they had never had an argument and described Simpson as a 'very calm person'.
She accepts that there are numerous clips of Simpson playing with Isabelle in the garden of her Thornaby home.
Walker accepts that she called her daughter a 'c***' during a conversation with a friend but says it wasn't in the presence of Isabelle and there was nothing malicious about it.
"I wish I could take back what I said especially after what happened," she adds.
She says 'I did not resent my daughter' and accepts that Simpson did smoke cannabis and it made him more relaxed.
12:26pm16/07/26
Broken leg
Mr Lumley asks why she wanted her mother to take Isabelle to hospital after the doctor told her to. She explains that she had been affected when she had taken Isabelle previously.
Walker says she 'strongly believes' that Isabelle getting her leg stuck in the cot rails was the cause of her injury.
She says she would never hurt her daughter because is 'my flesh and blood'.
Mr Lumley asks her whether Simpson had a good relationship with Isabelle and she says 'yes'.
She accepts that he bought her shoes and played with her in the park.
Walker accepts that she never saw Simpson harm Isabelle in anyway.
12:20pm16/07/26
Isabelle's routine
Mr Lumley asks her about what she told police about Isabelle's usual morning routine.
Walker accepts she told lies to the officers when she told them that Isabelle woke up at 8am.
He asks her why she told 'lie after lie after lie'. She says she was frightened and in shock. "I was an idiot, I admit that. I was in a very fragile state of mind."
Walker accepts that she lied about changing Isabelle's nappy and didn't see her awake that morning.
She accepts that she didn't take Isabelle straight to hospital after she hurt her leg but says she did take her straight after the doctor told her to.
Mr Lumley asks whether she was trying to give the impression that she acted straightaway. Walker accepts that the way it could look and that it could have given a misleading impression.
He asks whether she was protecting herself, she replies: "You could say that but my head was not in the best of places."
12:13pm16/07/26
Police interviews
Mr Lumley asks Walker if she understood that she was under arrest for suspicion of murder of her own daughter, she says 'yes'.
Walker says she was telling the truth when she said she would 'do whatever it took to help them get to the truth'.
Mr Lumley asks what she did to help. She says: "yes, I lied but I was frightened - I didn't want to be called a bad parent.
"It was scary being arrested for murder and grape of my daughter."
The barrister asks her about when she told them she wanted to 'honest' throughout the police interviews.
She accepts that she told lies about getting up with Isabelle on the morning of February 13.
In her second interview, she told police that Isabelle was her usual self on the morning but now accepts that she didn't tell the truth about what happened.
She says she did go check on her twice while she was in bed and maintains that she appeared happy and was talking in her sleep.
12:04pm16/07/26
Cross examination
Mr Lumley, representing Simpson, is now cross examining Walker.
He asks her is she has told the truth in her evidence and she says 'yes'.
He queries why should told lies about looking after Isabelle on the morning she suffered her fatal head injuries. Walker accepts that she did lie to police and paramedics.
She also accepts she lied or told half-truths about her university degree, her own health and internet searches.
Walker says she decided to tell the truth 'when Isabelle died' and when 'I was sent to prison for something I didn't do'.
She says she told the truth when she started to give evidence, saying 'I didn't know that me daughter was being abused'.
When asked when was the first time she told the truth, she says 'when she sat down with her solicitor'. She explains that she was frightened before then.
11:47am16/07/26
Police lies
Walker accepts she lied to police when she told them it was her who got up with Isabelle in the morning. She says she was 'ashamed' of still being in bed at 11am because she had been drinking heavily the night before.
She tells the jury she wasn't mentally fit enough to answer some of the questions police asked her.
The 26-year-old says she never caused any injuries to Isabelle or wanted any harm to come to Isabelle.
When asked how it feels being held in custody accused of her daughter's murder. "It's like living a nightmare which you can't wake up from," she says.
And when asked how it makes her feel to be accused of sexually abusing Isabelle, she says: "I'm angry and heartbroken."
Walker has concluded her evidence in chief and will shortly be cross examined but the prosecution barrister, Richard Wright KC, and Simpson's lawyer, Nicholas Lumley KC.
11:43am16/07/26
Hearing resumes
Mr McKone has resumed taking Walker through her evidence following the fire alarm test at Teesside Crown Court.
He is asking Walker about where she got her information from about Isabelle's wellbeing on the morning she was fatally injured.
She says all the details about her having her breakfast and being put down for a sleep came from Simpson.
While speaking to the police in the hospital Walker told them that they would 'need to look' at Simpson.
She told a nurse that she was 'starting to think Simpson had done something' after she saw all of the bruising when Isabelle was in hospital.
"I was questioning why my daughter was having a heart attack," she says.
When asked when she started to think Simpson was responsible, she says while she was sitting in the hospital.
11:02am16/07/26
Court evacuated
The fire alarm has been activated in the court building and everyone is currently being evacuated.
10:59am16/07/26
Police arrive
When police arrived at the scene they asked if anybody had left the property and she told them no.
Mr McKone asks why she didn't tell then Simpson had been at the house, she says she was in shock and told them about it later.
She denies that she was trying to cover up for hew new boyfriend at the time.
The court hears how ten minutes after the police arrived she told them about Simpson had been at her home.
When asked why, she says: "I think at that point the severity of the situation had sank in."
The barrister asks her if she had seen Isabelle eating or drinking that morning after telling the paramedics that she was 'her usual self' on the morning.
She says she was just relaying what Simpson had told her had happened on the morning.
10:54am16/07/26
Fatal injuries
Walker tells the jury that she was unaware that Isabelle had been assaulted or had very serious head injuries.
When asked if she was trying to cover anything up that afternoon, she replied: "No."
She says she was 'in shock and heartbroken' when she was told her daughter had suffered a heart attack.
Walker says she didn't tell paramedics that Simpson had put her daughter to bed because she was 'ashamed' of drinking too much the night before and didn't want them the think she was a 'bad parent'.
She denies that she was covering up for Simpson when she told them she had put her daughter to bed.
10:52am16/07/26
Evidence resumes
Mr McKone is now dealing with the events on the day Isabelle suffered her fatal injuries.
Walker says she called her stepdad because she was scared when she couldn't wake her daughter up.
She says she also phoned Simpson four times in quick succession because she was panicking and wanted someone there for support.
The jury hears she took Simpson's bong out of the house as she didn't want him to see when he came round.
CCTV from inside the house captured Walker trying to wake Isabelle up because she had gone 'floppy'.
Mr McKone says her stepfather arrived at her Thornaby home and she thought Isabelle had stopped breathing shortly before.
"I think it was just before my dad walked through the door," she said. "She had gone floppy. Her eyes opened and she didn't look responsive - it was horrific," she says.
She confirms that her stepdad told her to 999 immediately.
When asked why she hadn't call earlier, she says she didn't think she needed to up until that point.
10:39am16/07/26
Mother's evidence
Alexandra Walker will continue giving evidence in her defence.
Mark McKone KC, representing the 26-year-old, will take her through the timeline of events leading up to Isabelle Welsh suffering fatal head injuries.
Yesterday, she categorically denied being responsible for inflicting injuries on her two-year-old daughter.