The decision to build a hospital in Peterborough using borrowed funds, while paying a private company to run a second hospital nearby, has been criticised by a group of MPs.
The Commons Public Accounts Committee says that both hospitals now have uncertain financial futures.
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Ahead of the conference, calls are growing for Midlands regions to have their own devolved powers to match those on offer to Scotland.
After a cool start, Sunday looks set to be a dry and bright day, with sunny spells.
Mainly dry with clear spells but possibly one or two light showers near coasts overnight, remaining largely dry on Sunday.