Police investigating the disappearance of Leah Croucher have launched a murder investigation after finding human remains. Detectives initially discovered the missing 19-year-old’s rucksack and personal items at a house in Furzton, Milton Keynes - near where she disappeared. Report by Burnsla. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn