18:00Six O'Clock News11/11/2021 Record number of 999 calls in EnglandBBC Radio 4 Duration: 30 minutes Thu 11th Nov 2021, 18:00 on BBC Radio 4 LWAvailable for over a yearListen nowNHS leaders have warned that the strain England's health service is facing is unsustainable. One think tank said the NHS was on its kneesGenresNewsBrandSix O'Clock News Source: BBC Online