Hit-and-run driver 'killed 21-year-old mother of two young girls who was enjoying rare night out with friends' Alex Barnett, 28, denies causing death by careless driving of Rhiannon Hall Miss Hall was struck by the car in Cheam, Surrey, on October 16 2020 Her life-support was turned off 6 days later at St George's Hospital in Tooting Miss Hall, of Sutton, survived by behind two little girls, aged one and three Friends says crash turned family 'upside down' and they are in 'living nightmare' By Martin Robinson, Chief Reporter For Mailonline Published: 14:39 BST, 20 July 2021 | Updated: 14:43 BST, 20 July 2021 A hit and run driver allegedly killed a young mother-of-two enjoying a rare night out with friends, a court heard today. Rhiannon Hall, 21, was struck by Alex Barnett’s car in Cheam, south London, on October 16 2020 and she died in hospital. Miss Hall, of Sutton, left behind two little girls, with one who had her third birthday just one day before her mother died last year. Barnett appeared at the Old Bailey dressed in a charcoal suit and burgundy tie today and denied causing death by careless driving at the Old Bailey. The 28-year-old had earlier admitted failing to stop at the scene of a collision and failing to report a collision. Judge Rebecca Trowler QC told Barnett: ‘There will be a further case management hearing in your case on August 17 this year by when a decision will be made about where a trial will take place.’ Barnett, of Cheam, denies causing death by careless driving. He was unconditionally bailed. Rhiannon Hall, 21, (pictured) was hit by Alex Barnett’s car on London Road, Cheam, south London, on October 16 last year and died in hospital four days later. Barnett denied causing death by careless driving at the Old Bailey today Doting mother-of-two Miss Hall was struck by the car in Cheam, Surrey, while walking near a junction during a 'rare night out' with friends at about 10.15pm. The 21-year-old's life-support machine was turned off by her mother and partner six days later at St George's Hospital in Tooting. Miss Hall (pictured) leaves behind two little girls, aged one and three Friends said the crash has turned her family 'upside down', adding that they were in a 'living nightmare' and that some of her friends who saw it were in 'absolute shock'. Scotland Yard said at the time the driver failed to stop at the scene but was arrested a short time later on suspicion of drink driving. Jackie Smithers, who organised a GoFundMe page to raise money for Miss Hall's family, said: 'The impact of this hit and run left Rhiannon with many serious and life threatening injuries, she spent six nights in a very critical condition in the intensive care unit of St George's Hospital. 'Rhiannon fought her hardest to survive this and as her family had to stay strong and protect her children from this terror. It was important as a family that they got through October 21 as this was Rhiannon's daughter's third birthday. 'Unfortunately after surgery and many tests, the medical team explained to her mum and partner that Rhiannon's injuries were so severe that she had no chance of making a recovery and it was only the machines keeping her here. 'Rhiannon's loving partner and her mum turned off her machines on October 22 at 11.11am. The 21-year-old's life-support machine was turned off at St George's Hospital in Tooting (file) Ms Smithers added: 'Rhiannon, only 21 years old, mother of two beautiful girls was having a rare night out with some friends when the horrific incident took place. 'Rhiannon absolutely adored her family and was a wonderful mother to her girls. This incident has turned Rhiannon's family upside down - they are in a living nightmare. 'Her friends, some who were witness to the this dreadful event are in absolute shock that this has happened. ' Detective Constable Jenny Burr, from the Metropolitan Police's serious collision investigation unit, said: 'Our thoughts are first and foremost with Rhiannon's family and friends at this truly tragic time for them. Share or comment on this article: All rights reserved for this news site (dailymail) and under his responsibility