The charity Age Cymru has warned that older people should not be "put under undue pressure to leave hospital before they are able to do so."
It follows the Health Minister Mark Drakeford's announcement of "immediate actions" to cut waiting times in A&E departments, including freeing-up beds "by ensuring when patients no longer require hospital treatment, they are discharged in a timely manner."
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Clear skies and calm winds will lead to another cold night, with widespread frost forming early in the night.
The unit make their long-awaited move to Cardiff Bay this year after 40 years in Barry.
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