Gavin Grey: UK correspondent on the investigation into Great Ormond Street Hospital

Great Ormond Street Hospital in London has launched an urgent review of 721 cases that were treated by a former surgeon. The hospital has revealed multiple children had come to severe harm under the care of Yaser Jabbar, a consultant orthopaedic surgeon. UK correspondent Gavin Grey says it's alleged Jabbar conducted inappropriate procedures on these children - causing permanent damage in some.  LISTEN ABOVESee omnystudio.com/listener for privacy information.