An air ambulance was called to the scene (Credit: Gemma Ann Brill)
The 28-year-old victim was attacked in the Sainsbury’s car park in Billet Lane at around 4.10pm on Monday, 28 June.
She was rushed to hospital and her injuries are now thought to be serious but no longer life-threatening.
A 27-year-old man was arrested at the scene on suspicion of attempted murder and he remains in police custody.
Detective Inspector Umer Iqbal, of the East Area Basic Command Unit, said: “This incident took place in a car park at a busy time of day and I am confident that there are people we haven’t yet spoken to who will have seen what happened.
“I am very keen to hear from anyone who witnessed the incident or the sequence of events leading up to it, particularly anyone with dash-cam or mobile phone footage.
“If you can help our investigation please don’t hesitate to get in touch.”
Anyone with information or footage relating to this incident should call police on 101 or tweet @MetCC quoting 4955/28JUN.
To remain 100% anonymous call the independent charity Crimestoppers on 0800 555 111.
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