Detective Inspector Kev Broadhead from Nottinghamshire Police said:
"“Formal identification has yet to be confirmed, but at this stage we do believe we have found Elizabeth.
"It’s a tragic conclusion to the inquiry and one we were all desperately hoping we would not have to face."
More top news
Dry with clear spells this evening, allowing temperatures to quickly fall close to freezing.
Clear spells across southern and eastern parts will lead to a chilly night with a local frost possible.
A video has been posted online by students at Nottingham Trent University showing an alleged intruder stuck in a window of a building.