Dr John Hughes from the British Medical Association has said the NHS 111 helpline is putting patients lives at risks because of the way it is currently set up.
He told ITV News: "It's under-resourced and it doesn't have clinically trained staff handling the calls.
"They are using a computer programme to reach a diagnosis which hasn't in my opinion or that of any other doctors been adequately tested yet", he added.
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Friday will be mostly dry with sunny spells for much of the UK. Temperatures will be mild across the country.