There is "plenty" of guidance for hospitals on how they should run their car parks so patients' relatives are "not ripped off", a former member of the NHS Foundation Trust said.
Roy Lilley told Good Morning Britain hospitals would "have to charge" to pay for the wear and tear of the car park, but they should keep their prices reasonable.
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The Tory peer and former Marks & Spencer chief has been named as chairman of the 'In Campaign'.
Delicately worded memo by then press chief from 1985 is among cache of newly released documents from former PM's private files.
Cloud and showery rain may linger across the far northwest throughout Saturday.