Paralysed man walks again after pioneering surgery

A man who was paralysed from the chest down in a knife attack in 2010, has been able to walk again. Derek Fidyka had pioneering surgery which involved transplanting cells from his nasal cavity into his spinal cord. Report by Hoodl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn