Prolonged wintry conditions or another outbreak of norovirus will see A&E departments across the country reach "breaking point", NHS leaders have warned.
The emergency care system has come under intense and increasing pressure in recent years, with over a million more people attending emergency departments compared to 2010.
Labour has accused the Government of leaving A&E departments "on the brink of a serious crisis", a claim apparently supported by a series of separate surveys of leading medics, nurses and voters that suggested patients are at an increasing risk.
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Labour is promising to reverse the Conservative policy of privatisation in the NHS which it claims is creating longer waiting times.
The Queen and senior members of the monarchy will attend services around the world to commemorate the centenary of the battle of Gallipoli.
The Liberal Democrats have proposed to invest an extra £10 million in mental health care for military personnel