Dr Sarah Jarvis has told Daybreak that it would be "difficult" to impose a seven-day rule on GPs and hospitals.
She said: "This is not going to be free, there's going to be a lot of bureaucracy and that means more cost for the NHS and patient care would suffer."
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Alexander Downer said Australia would seek better access before reaching a post-Brexit trade agreement with the UK.
Emergency crews have rescued 11 survivors from Hotel Rigopiano, which was buried when the avalanche struck Wednesday afternoon.
Weather will be settled with with some sunshine and feeling cold